#286A99
Closest named color: Peacock Blue (#016795). oklch(50.5% 0.1 243.4), rgb(40, 106, 153).
Aa
White text reads best on this color (5.81:1).
About this color
#286A99 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.100 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.021 away. White text reads best on it, at 5.81:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.61:1 |
| White text | 5.81:1 |
Values
| HEX | #286A99 |
| RGB | rgb(40, 106, 153) |
| HSL | hsl(205, 59%, 38%) |
| OKLCH | oklch(50.5% 0.1 243.4) |
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 #286A99 | 5.81:1 | AA | Lc -84.0 | Fine for body text |
| Black text on #286A99 | 3.61:1 | AA large text | Lc 25.3 | Dividers and decoration only |
| #286A99 text on white | 5.81:1 | AA | Lc 78.8 | Fine for body text |
| #286A99 text on black | 3.61:1 | AA large text | Lc -23.0 | Dividers and decoration only |
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 700.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF3
oklch(93.6% 0.015 244.7)
-
Step 200
200
#CBDCEA
oklch(88.6% 0.027 242.8)
-
Step 300
300
#A7C5DE
oklch(81% 0.048 243.5)
-
Step 400
400
#76A6CD
oklch(70.6% 0.077 243.7)
-
Step 500
500
#5090C1
oklch(63.1% 0.099 243.4)
-
Step 600
600
#3279AD
oklch(55.5% 0.107 243.8)
-
Step 700
700 (this color)
#286A99
oklch(50.5% 0.1 243.4)
-
Step 800
800
#1F5379
oklch(42.6% 0.084 243.9)
-
Step 900
900
#204561
oklch(37.7% 0.064 243.6)
-
Step 950
950
#142939
oklch(27.2% 0.04 243)
#286A99 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) | #546B9B | 0.045 |
| Deuteranopia (no green cones) | #456098 | 0.036 |
| Tritanopia (no blue cones) | #00757B | 0.069 |
| Achromatopsia (no color) | #656565 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #286A99
#286A99
oklch(50.5% 0.1 243.4)
- #8C561D
#8C561D
oklch(50.4% 0.1 62.8)
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 #286A99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.021
- Ocean Blue #03719C ΔE 0.022
- Denim #3B638C ΔE 0.027
- Muted Blue #3B719F ΔE 0.029
- Sea Blue #047495 ΔE 0.033
- Flat Blue #3C73A8 ΔE 0.039
- Dusky Blue #475F94 ΔE 0.039
- Mid Blue #276AB3 ΔE 0.042
Use #286A99 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.