#010C20
Closest named color: Rich Navy (#001219). oklch(15.6% 0.047 255.9), rgb(1, 12, 32).
Aa
White text reads best on this color (19.53:1).
About this color
#010C20 is a very dark, muted blue. In OKLCH its lightness is 16%, its chroma 0.047 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Navy (#001219), ΔE 0.030 away. White text reads best on it, at 19.53:1.
| Hue family | Blues |
| Lightness | very dark (16%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Rich Navy (#001219) |
| Black text | 1.07:1 |
| White text | 19.53:1 |
Values
| HEX | #010C20 |
| RGB | rgb(1, 12, 32) |
| HSL | hsl(219, 94%, 6%) |
| OKLCH | oklch(15.6% 0.047 255.9) |
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 #010C20 | 19.53:1 | AAA | Lc -107.6 | Preferred for body text |
| Black text on #010C20 | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #010C20 text on white | 19.53:1 | AAA | Lc 105.6 | Preferred for body text |
| #010C20 text on black | 1.07:1 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EBF5
oklch(93.7% 0.016 253.9)
-
Step 200
200
#CCDBEE
oklch(88.6% 0.031 254.3)
-
Step 300
300
#A9C3E5
oklch(80.9% 0.056 255.2)
-
Step 400
400
#7BA3D8
oklch(70.7% 0.09 255.7)
-
Step 500
500
#598BCE
oklch(63.1% 0.115 256.1)
-
Step 600
600
#3E74BB
oklch(55.6% 0.125 256)
-
Step 700
700
#3061A1
oklch(49.1% 0.116 256)
-
Step 800
800
#284F82
oklch(42.5% 0.096 256)
-
Step 900
900
#254269
oklch(37.6% 0.076 256.3)
-
Step 950
950 (this color)
#010C20
oklch(15.6% 0.047 255.9)
#010C20 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) | #030E21 | 0.010 |
| Deuteranopia (no green cones) | #000B20 | 0.005 |
| Tritanopia (no blue cones) | #001114 | 0.036 |
| Achromatopsia (no color) | #0C0C0C | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #010C20
#010C20
oklch(15.6% 0.047 255.9)
- #140A00
#140A00
oklch(15.5% 0.033 76.4)
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 #010C20, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Navy #001219 ΔE 0.030
- Almost Black #070D0D ΔE 0.043
- Dark Navy Blue #00022E ΔE 0.045
- Midnight #03012D ΔE 0.046
- Dark Navy #000435 ΔE 0.049
- Very Dark Blue #000133 ΔE 0.053
- Rich Black #0D1B2A ΔE 0.063
- Navy Blue #001146 ΔE 0.078
Use #010C20 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.