#021936
Closest named color: Rich Black (#0D1B2A). oklch(21.5% 0.064 254.7), rgb(2, 25, 54).
Aa
White text reads best on this color (17.57:1).
About this color
#021936 is a very dark, muted blue. In OKLCH its lightness is 21%, its chroma 0.064 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.029 away. White text reads best on it, at 17.57:1.
| Hue family | Blues |
| Lightness | very dark (21%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.19:1 |
| White text | 17.57:1 |
Values
| HEX | #021936 |
| RGB | rgb(2, 25, 54) |
| HSL | hsl(213, 93%, 11%) |
| OKLCH | oklch(21.5% 0.064 254.7) |
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 #021936 | 17.57:1 | AAA | Lc -106.5 | Preferred for body text |
| Black text on #021936 | 1.19:1 | Fails | Lc 0.0 | Not readable |
| #021936 text on white | 17.57:1 | AAA | Lc 104.2 | Preferred for body text |
| #021936 text on black | 1.19:1 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF9
oklch(93.6% 0.022 254.4)
-
Step 200
200
#C7DBF5
oklch(88.5% 0.042 255)
-
Step 300
300
#9FC4F2
oklch(81% 0.077 254.1)
-
Step 400
400
#6AA3EB
oklch(70.6% 0.122 254.9)
-
Step 500
500
#3F8AE5
oklch(63.1% 0.156 255)
-
Step 600
600
#1772D3
oklch(55.6% 0.169 254.7)
-
Step 700
700
#055FB7
oklch(49.1% 0.158 254.8)
-
Step 800
800
#0C4E94
oklch(42.7% 0.131 254.7)
-
Step 900
900
#154276
oklch(37.8% 0.101 254.6)
-
Step 950
950 (this color)
#021936
oklch(21.5% 0.064 254.7)
#021936 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) | #091C37 | 0.015 |
| Deuteranopia (no green cones) | #011735 | 0.007 |
| Tritanopia (no blue cones) | #002024 | 0.049 |
| Achromatopsia (no color) | #191919 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #021936
#021936
oklch(21.5% 0.064 254.7)
- #251600
#251600
oklch(21.5% 0.045 76.3)
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 #021936, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.029
- Navy Blue #001146 ΔE 0.040
- Dark #1B2431 ΔE 0.057
- Oxford Blue #1B263B ΔE 0.059
- Rich Navy #001219 ΔE 0.062
- Night Blue #040348 ΔE 0.064
- Dark Navy #000435 ΔE 0.064
- Jet #212529 ΔE 0.073
Use #021936 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.