#021826
Closest named color: Rich Black (#0D1B2A). oklch(19.9% 0.041 238.6), rgb(2, 24, 38).
Aa
White text reads best on this color (18.08:1).
About this color
#021826 is a very dark, muted blue. In OKLCH its lightness is 20%, its chroma 0.041 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.021 away. White text reads best on it, at 18.08:1.
| Hue family | Blues |
| Lightness | very dark (20%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.16:1 |
| White text | 18.08:1 |
Values
| HEX | #021826 |
| RGB | rgb(2, 24, 38) |
| HSL | hsl(203, 90%, 8%) |
| OKLCH | oklch(19.9% 0.041 238.6) |
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 #021826 | 18.08:1 | AAA | Lc -106.8 | Preferred for body text |
| Black text on #021826 | 1.16:1 | Fails | Lc 0.0 | Not readable |
| #021826 text on white | 18.08:1 | AAA | Lc 104.7 | Preferred for body text |
| #021826 text on black | 1.16:1 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF2
oklch(93.5% 0.014 241)
-
Step 200
200
#CADCE9
oklch(88.5% 0.026 239.1)
-
Step 300
300
#A5C6DD
oklch(81% 0.048 238.6)
-
Step 400
400
#72A8CC
oklch(70.7% 0.078 238.5)
-
Step 500
500
#4A92BE
oklch(63.2% 0.098 237.9)
-
Step 600
600
#287BAB
oklch(55.6% 0.107 238.9)
-
Step 700
700
#196792
oklch(48.9% 0.099 238.7)
-
Step 800
800
#195577
oklch(42.8% 0.082 238.3)
-
Step 900
900
#1C4660
oklch(37.7% 0.064 238.9)
-
Step 950
950 (this color)
#021826
oklch(19.9% 0.041 238.6)
#021826 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) | #111827 | 0.022 |
| Deuteranopia (no green cones) | #0C1426 | 0.019 |
| Tritanopia (no blue cones) | #001C1D | 0.027 |
| Achromatopsia (no color) | #161616 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #021826
#021826
oklch(19.9% 0.041 238.6)
- #231103
#231103
oklch(20% 0.04 59.3)
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 #021826, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.021
- Rich Navy #001219 ΔE 0.033
- Almost Black #070D0D ΔE 0.058
- Dark #1B2431 ΔE 0.061
- Navy Blue #001146 ΔE 0.068
- Jet #212529 ΔE 0.070
- Oxford Blue #1B263B ΔE 0.072
- Dark Navy #000435 ΔE 0.073
Use #021826 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.