#022F6B
Closest named color: Marine (#042E60). oklch(31.8% 0.115 258), rgb(2, 47, 107).
Aa
White text reads best on this color (12.95:1).
About this color
#022F6B is a dark, moderately saturated blue. In OKLCH its lightness is 32%, its chroma 0.115 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Marine (#042E60), ΔE 0.019 away. White text reads best on it, at 12.95:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Marine (#042E60) |
| Black text | 1.62:1 |
| White text | 12.95:1 |
Values
| HEX | #022F6B |
| RGB | rgb(2, 47, 107) |
| HSL | hsl(214, 96%, 21%) |
| OKLCH | oklch(31.8% 0.115 258) |
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 #022F6B | 12.95:1 | AAA | Lc -101.9 | Preferred for body text |
| Black text on #022F6B | 1.62:1 | Fails | Lc 0.0 | Not readable |
| #022F6B text on white | 12.95:1 | AAA | Lc 98.6 | Preferred for body text |
| #022F6B text on black | 1.62:1 | Fails | Lc 0.0 | Not readable |
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 950.
-
Step 50
50
#F0F6FF
oklch(97.1% 0.014 258.3)
-
Step 100
100
#DDEBFF
oklch(93.6% 0.031 257.2)
-
Step 200
200
#C3DBFF
oklch(88.5% 0.056 258.4)
-
Step 300
300
#9AC3FF
oklch(81% 0.096 257.8)
-
Step 400
400
#60A0FF
oklch(70.6% 0.155 258.1)
-
Step 500
500
#2D85FF
oklch(63.2% 0.199 257.9)
-
Step 600
600
#006CE8
oklch(55.6% 0.205 258)
-
Step 700
700
#005AC5
oklch(49.1% 0.183 258.1)
-
Step 800
800
#004AA3
oklch(42.8% 0.158 257.9)
-
Step 900
900
#003D89
oklch(37.7% 0.139 257.9)
-
Step 950
950 (this color)
#022F6B
oklch(31.8% 0.115 258)
#022F6B 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) | #00366D | 0.020 |
| Deuteranopia (no green cones) | #002D6A | 0.006 |
| Tritanopia (no blue cones) | #003E48 | 0.086 |
| Achromatopsia (no color) | #313131 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #022F6B
#022F6B
oklch(31.8% 0.115 258)
- #452D00
#452D00
oklch(31.8% 0.067 77)
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 #022F6B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine #042E60 ΔE 0.019
- Marine Blue #01386A ΔE 0.027
- Prussian Blue #1D3557 ΔE 0.048
- Midnight Blue #191970 ΔE 0.053
- Twilight Blue #0A437A ΔE 0.064
- Midnight Green #073B4C ΔE 0.073
- Dark Blue Grey #1F3B4D ΔE 0.075
- Royal #0C1793 ΔE 0.081
Use #022F6B 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.