#11123D
Closest named color: Navy Blue (#001146). oklch(21.3% 0.081 276.1), rgb(17, 18, 61).
Aa
White text reads best on this color (17.83:1).
About this color
#11123D is a very dark, moderately saturated blue. In OKLCH its lightness is 21%, its chroma 0.081 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Navy Blue (#001146), ΔE 0.031 away. White text reads best on it, at 17.83:1.
| Hue family | Blues |
| Lightness | very dark (21%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Navy Blue (#001146) |
| Black text | 1.17:1 |
| White text | 17.83:1 |
Values
| HEX | #11123D |
| RGB | rgb(17, 18, 61) |
| HSL | hsl(239, 56%, 15%) |
| OKLCH | oklch(21.3% 0.081 276.1) |
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 #11123D | 17.83:1 | AAA | Lc -106.6 | Preferred for body text |
| Black text on #11123D | 1.17:1 | Fails | Lc 0.0 | Not readable |
| #11123D text on white | 17.83:1 | AAA | Lc 104.4 | Preferred for body text |
| #11123D text on black | 1.17:1 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E4E9FD
oklch(93.6% 0.028 274.7)
-
Step 200
200
#CFD7FD
oklch(88.5% 0.053 275.9)
-
Step 300
300
#B0BCFE
oklch(81% 0.094 276.1)
-
Step 400
400
#8896FE
oklch(70.7% 0.152 276)
-
Step 500
500
#6E77FC
oklch(63.1% 0.195 276.4)
-
Step 600
600
#585BEB
oklch(55.5% 0.212 276.1)
-
Step 700
700
#494ACD
oklch(49.1% 0.197 276)
-
Step 800
800
#3C3EA6
oklch(42.8% 0.163 276.2)
-
Step 900
900
#323683
oklch(37.7% 0.127 276.2)
-
Step 950
950 (this color)
#11123D
oklch(21.3% 0.081 276.1)
#11123D 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) | #001A3E | 0.029 |
| Deuteranopia (no green cones) | #00163C | 0.025 |
| Tritanopia (no blue cones) | #001D25 | 0.068 |
| Achromatopsia (no color) | #181818 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #11123D
#11123D
oklch(21.3% 0.081 276.1)
- #1F1900
#1F1900
oklch(21.4% 0.044 97.1)
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 #11123D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Navy Blue #001146 ΔE 0.031
- Night Blue #040348 ΔE 0.048
- Rich Black #0D1B2A ΔE 0.051
- Dark Indigo #1F0954 ΔE 0.051
- Dark Navy #000435 ΔE 0.059
- Midnight Purple #280137 ΔE 0.062
- Very Dark Purple #2A0134 ΔE 0.067
- Oxford Blue #1B263B ΔE 0.069
Use #11123D 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.