#01102F
Closest named color: Dark Navy (#000435). oklch(18.3% 0.067 259.5), rgb(1, 16, 47).
Aa
White text reads best on this color (18.80:1).
About this color
#01102F is a very dark, muted blue. In OKLCH its lightness is 18%, its chroma 0.067 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 18.80:1.
| Hue family | Blues |
| Lightness | very dark (18%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Dark Navy (#000435) |
| Black text | 1.11:1 |
| White text | 18.80:1 |
Values
| HEX | #01102F |
| RGB | rgb(1, 16, 47) |
| HSL | hsl(220, 96%, 9%) |
| OKLCH | oklch(18.3% 0.067 259.5) |
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 #01102F | 18.80:1 | AAA | Lc -107.2 | Preferred for body text |
| Black text on #01102F | 1.11:1 | Fails | Lc 0.0 | Not readable |
| #01102F text on white | 18.80:1 | AAA | Lc 105.1 | Preferred for body text |
| #01102F text on black | 1.11:1 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EBFA
oklch(93.7% 0.023 258.4)
-
Step 200
200
#C8DAF7
oklch(88.4% 0.045 259.9)
-
Step 300
300
#A2C2F4
oklch(80.8% 0.079 259.2)
-
Step 400
400
#70A1EF
oklch(70.7% 0.127 259.4)
-
Step 500
500
#4A87EA
oklch(63.1% 0.162 259.6)
-
Step 600
600
#2B6ED8
oklch(55.5% 0.176 259.5)
-
Step 700
700
#1E5BBB
oklch(49% 0.164 259.6)
-
Step 800
800
#1B4B98
oklch(42.7% 0.137 259.7)
-
Step 900
900
#1C4079
oklch(37.8% 0.106 259.3)
-
Step 950
950 (this color)
#01102F
oklch(18.3% 0.067 259.5)
#01102F 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) | #001430 | 0.013 |
| Deuteranopia (no green cones) | #000F2E | 0.005 |
| Tritanopia (no blue cones) | #00181D | 0.051 |
| Achromatopsia (no color) | #111111 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #01102F
#01102F
oklch(18.3% 0.067 259.5)
- #1B1000
#1B1000
oklch(18.3% 0.038 79.9)
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 #01102F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Navy #000435 ΔE 0.037
- Navy Blue #001146 ΔE 0.045
- Dark Navy Blue #00022E ΔE 0.046
- Very Dark Blue #000133 ΔE 0.047
- Rich Black #0D1B2A ΔE 0.048
- Rich Navy #001219 ΔE 0.048
- Midnight #03012D ΔE 0.048
- Night Blue #040348 ΔE 0.055
Use #01102F 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.