#00111B
Closest named color: Rich Navy (#001219). oklch(16.7% 0.034 232.5), rgb(0, 17, 27).
Aa
White text reads best on this color (19.16:1).
About this color
#00111B is a very dark, muted blue. In OKLCH its lightness is 17%, its chroma 0.034 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.007 away. White text reads best on it, at 19.16:1.
| Hue family | Blues |
| Lightness | very dark (17%) |
| Chroma | muted (0.034) |
| Temperature | cool |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.09:1 |
| White text | 19.16:1 |
Values
| HEX | #00111B |
| RGB | rgb(0, 17, 27) |
| HSL | hsl(202, 100%, 5%) |
| OKLCH | oklch(16.7% 0.034 232.5) |
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 #00111B | 19.16:1 | AAA | Lc -107.4 | Preferred for body text |
| Black text on #00111B | 1.09:1 | Fails | Lc 0.0 | Not readable |
| #00111B text on white | 19.16:1 | AAA | Lc 105.4 | Preferred for body text |
| #00111B 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CBDCE6
oklch(88.5% 0.023 233.4)
-
Step 300
300
#A7C6D7
oklch(80.9% 0.041 231.9)
-
Step 400
400
#77A8C3
oklch(70.7% 0.065 233)
-
Step 500
500
#5292B3
oklch(63% 0.082 232.6)
-
Step 600
600
#337C9F
oklch(55.6% 0.09 232.5)
-
Step 700
700
#246888
oklch(49% 0.084 232.8)
-
Step 800
800
#20556F
oklch(42.6% 0.07 233.2)
-
Step 900
900
#20465A
oklch(37.6% 0.055 233.9)
-
Step 950
950 (this color)
#00111B
oklch(16.7% 0.034 232.5)
#00111B 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) | #0C111B | 0.022 |
| Deuteranopia (no green cones) | #080E1B | 0.018 |
| Tritanopia (no blue cones) | #001414 | 0.022 |
| Achromatopsia (no color) | #0F0F0F | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00111B
#00111B
oklch(16.7% 0.034 232.5)
- #1A0A02
#1A0A02
oklch(16.7% 0.034 53.8)
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 #00111B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.007
- Almost Black #070D0D ΔE 0.031
- Rich Black #0D1B2A ΔE 0.052
- Dark Navy Blue #00022E ΔE 0.068
- Dark Navy #000435 ΔE 0.069
- Midnight #03012D ΔE 0.069
- Very Dark Blue #000133 ΔE 0.074
- Navy Blue #001146 ΔE 0.086
Use #00111B 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.