#587EF5
Closest named color: Cornflower (#6A79F7). oklch(62.6% 0.183 267.6), rgb(88, 126, 245).
Aa
Black text reads best on this color (5.71:1).
About this color
#587EF5 is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.183 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.023 away. Black text reads best on it, at 5.71:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.183) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.71:1 |
| White text | 3.67:1 |
Values
| HEX | #587EF5 |
| RGB | rgb(88, 126, 245) |
| HSL | hsl(225, 89%, 65%) |
| OKLCH | oklch(62.6% 0.183 267.6) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #587EF5 | 3.67:1 | AA large text | Lc -69.5 | Content text, not long reading |
| Black text on #587EF5 | 5.71:1 | AA | Lc 40.1 | Non-text elements, placeholder text |
| #587EF5 text on white | 3.67:1 | AA large text | Lc 64.0 | Content text, not long reading |
| #587EF5 text on black | 5.71:1 | AA | Lc -37.7 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E2EAFC
oklch(93.6% 0.026 266.6)
-
Step 200
200
#CBD9FB
oklch(88.6% 0.049 267.7)
-
Step 300
300
#A7BFFB
oklch(80.8% 0.089 267.5)
-
Step 400
400
#799CFA
oklch(70.8% 0.143 267.3)
-
Step 500
500 (this color)
#587EF5
oklch(62.6% 0.183 267.6)
-
Step 600
600
#4165E6
oklch(55.6% 0.2 267.6)
-
Step 700
700
#3453C8
oklch(49.2% 0.185 267.6)
-
Step 800
800
#2B45A1
oklch(42.7% 0.152 267.5)
-
Step 900
900
#263B80
oklch(37.7% 0.119 267.6)
-
Step 950
950
#16234B
oklch(26.9% 0.076 267.6)
#587EF5 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #3D8DF9 | 0.040 |
| Deuteranopia (no green cones) | #157FF3 | 0.046 |
| Tritanopia (no blue cones) | #009AAE | 0.153 |
| Achromatopsia (no color) | #858585 | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #587EF5
#587EF5
oklch(62.6% 0.183 267.6)
- #A98200
#A98200
oklch(62.7% 0.128 87.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #587EF5, closest first.
No curated palette has a color within ΔE 0.04 of #587EF5.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.023
- Soft Blue #6488EA ΔE 0.036
- Clear Blue #247AFD ΔE 0.045
- Dark Sky Blue #448EE4 ΔE 0.054
- Dodger Blue #1E90FF ΔE 0.054
- Chefchaouen Blue #4895EF ΔE 0.061
- Medium Slate Blue #7B68EE ΔE 0.064
- Cornflower Blue #6495ED ΔE 0.066
Use #587EF5 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.