#02101E
Closest named color: Rich Navy (#001219). oklch(16.8% 0.037 246.6), rgb(2, 16, 30).
Aa
White text reads best on this color (19.17:1).
About this color
#02101E is a very dark, muted blue. In OKLCH its lightness is 17%, its chroma 0.037 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.015 away. White text reads best on it, at 19.17:1.
| Hue family | Blues |
| Lightness | very dark (17%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.09:1 |
| White text | 19.17:1 |
Values
| HEX | #02101E |
| RGB | rgb(2, 16, 30) |
| HSL | hsl(210, 88%, 6%) |
| OKLCH | oklch(16.8% 0.037 246.6) |
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 #02101E | 19.17:1 | AAA | Lc -107.4 | Preferred for body text |
| Black text on #02101E | 1.09:1 | Fails | Lc 0.0 | Not readable |
| #02101E text on white | 19.17:1 | AAA | Lc 105.4 | Preferred for body text |
| #02101E text on black | 1.09:1 | 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
#E3EBF2
oklch(93.6% 0.013 244.3)
-
Step 200
200
#CDDBE9
oklch(88.5% 0.025 248.1)
-
Step 300
300
#AAC4DC
oklch(80.9% 0.044 246.2)
-
Step 400
400
#7DA5CB
oklch(70.7% 0.071 247.6)
-
Step 500
500
#5A8FBD
oklch(63.2% 0.09 246)
-
Step 600
600
#3F78A9
oklch(55.6% 0.097 246.6)
-
Step 700
700
#306591
oklch(49.1% 0.091 246.1)
-
Step 800
800
#295276
oklch(42.6% 0.076 247.2)
-
Step 900
900
#26445F
oklch(37.6% 0.059 247.2)
-
Step 950
950 (this color)
#02101E
oklch(16.8% 0.037 246.6)
#02101E 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) | #0A111F | 0.016 |
| Deuteranopia (no green cones) | #060E1E | 0.010 |
| Tritanopia (no blue cones) | #001315 | 0.026 |
| Achromatopsia (no color) | #0F0F0F | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #02101E
#02101E
oklch(16.8% 0.037 246.6)
- #190B00
#190B00
oklch(16.7% 0.037 67.3)
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 #02101E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.015
- Almost Black #070D0D ΔE 0.035
- Rich Black #0D1B2A ΔE 0.050
- Dark Navy Blue #00022E ΔE 0.061
- Dark Navy #000435 ΔE 0.062
- Midnight #03012D ΔE 0.062
- Very Dark Blue #000133 ΔE 0.067
- Navy Blue #001146 ΔE 0.080
Use #02101E 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.