#010D28
Closest named color: Dark Navy (#000435). oklch(16.7% 0.06 259.5), rgb(1, 13, 40).
Aa
White text reads best on this color (19.27:1).
About this color
#010D28 is a very dark, muted blue. In OKLCH its lightness is 17%, 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 0.037 away. White text reads best on it, at 19.27:1.
| Hue family | Blues |
| Lightness | very dark (17%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Dark Navy (#000435) |
| Black text | 1.08:1 |
| White text | 19.27:1 |
Values
| HEX | #010D28 |
| RGB | rgb(1, 13, 40) |
| HSL | hsl(222, 95%, 8%) |
| OKLCH | oklch(16.7% 0.06 259.5) |
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 #010D28 | 19.27:1 | AAA | Lc -107.4 | Preferred for body text |
| Black text on #010D28 | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #010D28 text on white | 19.27:1 | AAA | Lc 105.4 | Preferred for body text |
| #010D28 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
#76A1E7
oklch(70.7% 0.113 259.8)
-
Step 500
500
#5288E0
oklch(63.1% 0.145 259.7)
-
Step 600
600
#3670CE
oklch(55.6% 0.158 259.7)
-
Step 700
700
#285DB2
oklch(49% 0.147 259.6)
-
Step 800
800
#224D90
oklch(42.8% 0.121 259.1)
-
Step 900
900
#214073
oklch(37.6% 0.095 259.8)
-
Step 950
950 (this color)
#010D28
oklch(16.7% 0.06 259.5)
#010D28 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) | #001029 | 0.010 |
| Deuteranopia (no green cones) | #000C27 | 0.005 |
| Tritanopia (no blue cones) | #001418 | 0.047 |
| Achromatopsia (no color) | #0E0E0E | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #010D28
#010D28
oklch(16.7% 0.06 259.5)
- #170D00
#170D00
oklch(16.9% 0.035 79.7)
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 #010D28, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Navy #000435 ΔE 0.037
- Dark Navy Blue #00022E ΔE 0.039
- Rich Navy #001219 ΔE 0.040
- Midnight #03012D ΔE 0.040
- Very Dark Blue #000133 ΔE 0.043
- Rich Black #0D1B2A ΔE 0.057
- Almost Black #070D0D ΔE 0.058
- Navy Blue #001146 ΔE 0.061
Use #010D28 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.