#588DF5
Closest named color: Soft Blue (#6488EA). oklch(65.7% 0.165 262.4), rgb(88, 141, 245).
Aa
Black text reads best on this color (6.54:1).
About this color
#588DF5 is a medium-light, vivid blue. In OKLCH its lightness is 66%, its chroma 0.165 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.021 away. Black text reads best on it, at 6.54:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.165) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 6.54:1 |
| White text | 3.20:1 |
Values
| HEX | #588DF5 |
| RGB | rgb(88, 141, 245) |
| HSL | hsl(220, 89%, 65%) |
| OKLCH | oklch(65.7% 0.165 262.4) |
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 #588DF5 | 3.20:1 | AA large text | Lc -64.4 | Content text, not long reading |
| Black text on #588DF5 | 6.54:1 | AA | Lc 45.0 | Large or bold text, headings |
| #588DF5 text on white | 3.20:1 | AA large text | Lc 59.0 | Large or bold text, headings |
| #588DF5 text on black | 6.54:1 | AA | Lc -42.7 | 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
#F2F6FD
oklch(97.2% 0.01 261.8)
-
Step 100
100
#E2EAFA
oklch(93.6% 0.023 264.5)
-
Step 200
200
#C9DAF8
oklch(88.5% 0.045 261.9)
-
Step 300
300
#A5C1F6
oklch(80.9% 0.081 263)
-
Step 400
400
#749FF1
oklch(70.6% 0.13 262.5)
-
Step 500
500 (this color)
#588DF5
oklch(65.7% 0.165 262.4)
-
Step 600
600
#356CDB
oklch(55.7% 0.18 262.4)
-
Step 700
700
#2859BE
oklch(49.1% 0.168 262.5)
-
Step 800
800
#224A99
oklch(42.8% 0.137 262.1)
-
Step 900
900
#213E7A
oklch(37.6% 0.108 262.9)
-
Step 950
950
#132547
oklch(26.9% 0.068 261.9)
#588DF5 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) | #5C97F9 | 0.027 |
| Deuteranopia (no green cones) | #4389F3 | 0.023 |
| Tritanopia (no blue cones) | #00A5B5 | 0.138 |
| Achromatopsia (no color) | #909090 | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #588DF5
#588DF5
oklch(65.7% 0.165 262.4)
- #B98800
#B98800
oklch(65.7% 0.135 83)
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 #588DF5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.021
- Chefchaouen Blue #4895EF ΔE 0.027
- Cornflower Blue #6495ED ΔE 0.030
- Dark Sky Blue #448EE4 ΔE 0.033
- Dodger Blue #1E90FF ΔE 0.038
- Cornflower #6A79F7 ΔE 0.051
- Lavender Blue #8B88F8 ΔE 0.061
- Perrywinkle #8F8CE7 ΔE 0.068
Use #588DF5 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.