#5879E9
Closest named color: Cornflower (#6A79F7). oklch(60.9% 0.173 268.5), rgb(88, 121, 233).
Aa
Black text reads best on this color (5.32:1).
About this color
#5879E9 is a medium-dark, vivid blue. In OKLCH its lightness is 61%, its chroma 0.173 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower (#6A79F7), ΔE 0.031 away. Black text reads best on it, at 5.32:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.173) |
| Temperature | cool |
| Nearest name | Cornflower (#6A79F7) |
| Black text | 5.32:1 |
| White text | 3.94:1 |
Values
| HEX | #5879E9 |
| RGB | rgb(88, 121, 233) |
| HSL | hsl(226, 77%, 63%) |
| OKLCH | oklch(60.9% 0.173 268.5) |
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 #5879E9 | 3.94:1 | AA large text | Lc -72.0 | Content text, not long reading |
| Black text on #5879E9 | 5.32:1 | AA | Lc 37.6 | Non-text elements, placeholder text |
| #5879E9 text on white | 3.94:1 | AA large text | Lc 66.5 | Content text, not long reading |
| #5879E9 text on black | 5.32:1 | AA | Lc -35.2 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3EAFB
oklch(93.7% 0.024 267.9)
-
Step 200
200
#CCD9F9
oklch(88.6% 0.046 267.9)
-
Step 300
300
#AABFF8
oklch(80.9% 0.084 268.8)
-
Step 400
400
#7D9CF5
oklch(70.7% 0.135 268.3)
-
Step 500
500 (this color)
#5879E9
oklch(60.9% 0.173 268.5)
-
Step 600
600
#4766DF
oklch(55.5% 0.187 268.7)
-
Step 700
700
#3954C2
oklch(49.1% 0.175 268.7)
-
Step 800
800
#2F469D
oklch(42.8% 0.144 268.5)
-
Step 900
900
#293C7D
oklch(37.8% 0.113 268.3)
-
Step 950
950
#182349
oklch(26.9% 0.072 269)
#5879E9 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) | #3F87ED | 0.039 |
| Deuteranopia (no green cones) | #207AE7 | 0.044 |
| Tritanopia (no blue cones) | #0093A6 | 0.147 |
| Achromatopsia (no color) | #808080 | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5879E9
#5879E9
oklch(60.9% 0.173 268.5)
- #A17D00
#A17D00
oklch(60.7% 0.124 88.3)
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 #5879E9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower #6A79F7 ΔE 0.031
- Soft Blue #6488EA ΔE 0.043
- Clear Blue #247AFD ΔE 0.049
- Royal Blue #4169E1 ΔE 0.052
- Dark Sky Blue #448EE4 ΔE 0.057
- Medium Slate Blue #7B68EE ΔE 0.058
- Cerulean Blue #056EEE ΔE 0.066
- Neon Blue #4361EE ΔE 0.067
Use #5879E9 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.