#286A9E
Closest named color: Ocean Blue (#03719C). oklch(50.8% 0.106 246), rgb(40, 106, 158).
Aa
White text reads best on this color (5.76:1).
About this color
#286A9E is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.106 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean Blue (#03719C), ΔE 0.024 away. White text reads best on it, at 5.76:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.106) |
| Temperature | cool |
| Nearest name | Ocean Blue (#03719C) |
| Black text | 3.64:1 |
| White text | 5.76:1 |
Values
| HEX | #286A9E |
| RGB | rgb(40, 106, 158) |
| HSL | hsl(206, 60%, 39%) |
| OKLCH | oklch(50.8% 0.106 246) |
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 #286A9E | 5.76:1 | AA | Lc -83.8 | Fine for body text |
| Black text on #286A9E | 3.64:1 | AA large text | Lc 25.6 | Dividers and decoration only |
| #286A9E text on white | 5.76:1 | AA | Lc 78.5 | Fine for body text |
| #286A9E text on black | 3.64:1 | AA large text | Lc -23.3 | 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
#CADCEB
oklch(88.6% 0.028 243.1)
-
Step 300
300
#A6C5E0
oklch(81% 0.051 244.8)
-
Step 400
400
#75A6D1
oklch(70.7% 0.082 245.8)
-
Step 500
500
#4F8FC5
oklch(63% 0.105 246)
-
Step 600
600
#3178B2
oklch(55.5% 0.115 246.6)
-
Step 700
700 (this color)
#286A9E
oklch(50.8% 0.106 246)
-
Step 800
800
#1F537C
oklch(42.8% 0.087 245.8)
-
Step 900
900
#1F4564
oklch(37.8% 0.069 245.7)
-
Step 950
950
#13283A
oklch(26.9% 0.043 246.2)
#286A9E 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) | #526CA0 | 0.043 |
| Deuteranopia (no green cones) | #42619D | 0.032 |
| Tritanopia (no blue cones) | #00777D | 0.077 |
| Achromatopsia (no color) | #666666 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #286A9E
#286A9E
oklch(50.8% 0.106 246)
- #8E5712
#8E5712
oklch(50.8% 0.106 65.5)
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 #286A9E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean Blue #03719C ΔE 0.024
- Peacock Blue #016795 ΔE 0.025
- Muted Blue #3B719F ΔE 0.028
- Denim #3B638C ΔE 0.033
- Mid Blue #276AB3 ΔE 0.034
- Flat Blue #3C73A8 ΔE 0.035
- French Blue #436BAD ΔE 0.036
- Sea Blue #047495 ΔE 0.038
Use #286A9E 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.