#01081A
Closest named color: Rich Navy (#001219). oklch(13.8% 0.043 258.3), rgb(1, 8, 26).
Aa
White text reads best on this color (19.98:1).
About this color
#01081A is a very dark, muted blue. In OKLCH its lightness is 14%, its chroma 0.043 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.040 away. White text reads best on it, at 19.98:1.
| Hue family | Blues |
| Lightness | very dark (14%) |
| Chroma | muted (0.043) |
| Temperature | cool |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.05:1 |
| White text | 19.98:1 |
Values
| HEX | #01081A |
| RGB | rgb(1, 8, 26) |
| HSL | hsl(223, 93%, 5%) |
| OKLCH | oklch(13.8% 0.043 258.3) |
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 #01081A | 19.98:1 | AAA | Lc -107.7 | Preferred for body text |
| Black text on #01081A | 1.05:1 | Fails | Lc 0.0 | Not readable |
| #01081A text on white | 19.98:1 | AAA | Lc 105.8 | Preferred for body text |
| #01081A text on black | 1.05:1 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF4
oklch(93.5% 0.015 260.7)
-
Step 200
200
#CEDAEC
oklch(88.5% 0.028 258.4)
-
Step 300
300
#ADC2E2
oklch(80.9% 0.051 258.7)
-
Step 400
400
#81A2D4
oklch(70.7% 0.082 258.5)
-
Step 500
500
#618AC8
oklch(63% 0.105 258.4)
-
Step 600
600
#4873B5
oklch(55.5% 0.114 258.7)
-
Step 700
700
#39619C
oklch(49.2% 0.105 258)
-
Step 800
800
#2F4F7E
oklch(42.6% 0.087 257.9)
-
Step 900
900
#2A4266
oklch(37.7% 0.069 258.3)
-
Step 950
950 (this color)
#01081A
oklch(13.8% 0.043 258.3)
#01081A 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) | #020A1B | 0.009 |
| Deuteranopia (no green cones) | #00071A | 0.006 |
| Tritanopia (no blue cones) | #000C0F | 0.033 |
| Achromatopsia (no color) | #080808 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #01081A
#01081A
oklch(13.8% 0.043 258.3)
- #0F0700
#0F0700
oklch(13.7% 0.029 77.4)
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 #01081A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.040
- Almost Black #070D0D ΔE 0.042
- Midnight #03012D ΔE 0.047
- Dark Navy Blue #00022E ΔE 0.047
- Very Dark Blue #000133 ΔE 0.057
- Dark Navy #000435 ΔE 0.057
- Rich Black #0D1B2A ΔE 0.080
- Very Dark Brown #1D0200 ΔE 0.091
Use #01081A 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.