#010C27
Closest named color: Dark Navy (#000435). oklch(16.3% 0.06 260.1), rgb(1, 12, 39).
Aa
White text reads best on this color (19.38:1).
About this color
#010C27 is a very dark, muted blue. In OKLCH its lightness is 16%, its chroma 0.060 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Navy (#000435), ΔE 0.036 away. White text reads best on it, at 19.38:1.
| Hue family | Blues |
| Lightness | very dark (16%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Dark Navy (#000435) |
| Black text | 1.08:1 |
| White text | 19.38:1 |
Values
| HEX | #010C27 |
| RGB | rgb(1, 12, 39) |
| HSL | hsl(223, 95%, 8%) |
| OKLCH | oklch(16.3% 0.06 260.1) |
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 #010C27 | 19.38:1 | AAA | Lc -107.5 | Preferred for body text |
| Black text on #010C27 | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #010C27 text on white | 19.38:1 | AAA | Lc 105.5 | Preferred for body text |
| #010C27 text on black | 1.08:1 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EAF8
oklch(93.5% 0.021 261.8)
-
Step 200
200
#CADAF4
oklch(88.4% 0.04 260.1)
-
Step 300
300
#A6C2EF
oklch(80.9% 0.071 259.8)
-
Step 400
400
#77A1E7
oklch(70.7% 0.113 260.3)
-
Step 500
500
#5388E0
oklch(63.1% 0.145 260)
-
Step 600
600
#3870CE
oklch(55.7% 0.157 260.1)
-
Step 700
700
#2A5DB2
oklch(49.1% 0.146 260.1)
-
Step 800
800
#244C90
oklch(42.6% 0.121 260.3)
-
Step 900
900
#224073
oklch(37.7% 0.095 260.3)
-
Step 950
950 (this color)
#010C27
oklch(16.3% 0.06 260.1)
#010C27 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) | #000F28 | 0.010 |
| Deuteranopia (no green cones) | #000C26 | 0.003 |
| Tritanopia (no blue cones) | #001317 | 0.047 |
| Achromatopsia (no color) | #0D0D0D | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #010C27
#010C27
oklch(16.3% 0.06 260.1)
- #150C00
#150C00
oklch(16.3% 0.034 81.5)
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 #010C27, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Navy #000435 ΔE 0.036
- Dark Navy Blue #00022E ΔE 0.037
- Midnight #03012D ΔE 0.038
- Rich Navy #001219 ΔE 0.040
- Very Dark Blue #000133 ΔE 0.042
- Almost Black #070D0D ΔE 0.057
- Rich Black #0D1B2A ΔE 0.060
- Navy Blue #001146 ΔE 0.064
Use #010C27 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.