#11242F
Closest named color: Dark (#1B2431). oklch(25% 0.033 235.5), rgb(17, 36, 47).
Aa
White text reads best on this color (15.94:1).
About this color
#11242F is a very dark, muted blue. In OKLCH its lightness is 25%, its chroma 0.033 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Dark (#1B2431), ΔE 0.015 away. White text reads best on it, at 15.94:1.
| Hue family | Blues |
| Lightness | very dark (25%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Dark (#1B2431) |
| Black text | 1.31:1 |
| White text | 15.94:1 |
Values
| HEX | #11242F |
| RGB | rgb(17, 36, 47) |
| HSL | hsl(202, 47%, 13%) |
| OKLCH | oklch(25% 0.033 235.5) |
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 #11242F | 15.94:1 | AAA | Lc -105.4 | Preferred for body text |
| Black text on #11242F | 1.31:1 | Fails | Lc 0.0 | Not readable |
| #11242F text on white | 15.94:1 | AAA | Lc 102.8 | Preferred for body text |
| #11242F text on black | 1.31:1 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CCDCE6
oklch(88.5% 0.022 235)
-
Step 300
300
#AAC5D6
oklch(80.9% 0.038 235.6)
-
Step 400
400
#7BA7C2
oklch(70.6% 0.062 235.7)
-
Step 500
500
#5891B3
oklch(63.1% 0.079 236.1)
-
Step 600
600
#3B7B9E
oklch(55.6% 0.085 235.1)
-
Step 700
700
#2D6788
oklch(49% 0.08 236.6)
-
Step 800
800
#26546E
oklch(42.6% 0.066 236)
-
Step 900
900
#244659
oklch(37.7% 0.051 234.9)
-
Step 950
950 (this color)
#11242F
oklch(25% 0.033 235.5)
#11242F 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) | #1F2430 | 0.021 |
| Deuteranopia (no green cones) | #1B202F | 0.019 |
| Tritanopia (no blue cones) | #022728 | 0.025 |
| Achromatopsia (no color) | #222222 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #11242F
#11242F
oklch(25% 0.033 235.5)
- #2E1D12
#2E1D12
oklch(24.9% 0.033 53.5)
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 #11242F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark #1B2431 ΔE 0.015
- Jet #212529 ΔE 0.026
- Oxford Blue #1B263B ΔE 0.028
- Rich Black #0D1B2A ΔE 0.033
- Space Cadet #2B2D42 ΔE 0.062
- Gunmetal #293241 ΔE 0.067
- Rich Navy #001219 ΔE 0.081
- Midnight Green #073B4C ΔE 0.084
Use #11242F 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.