#283044
Closest named color: Gunmetal (#293241). oklch(31.1% 0.038 267.4), rgb(40, 48, 68).
Aa
White text reads best on this color (13.15:1).
About this color
#283044 is a dark, muted blue. In OKLCH its lightness is 31%, its chroma 0.038 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.010 away. White text reads best on it, at 13.15:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.59:1 |
| White text | 13.15:1 |
Values
| HEX | #283044 |
| RGB | rgb(40, 48, 68) |
| HSL | hsl(223, 26%, 21%) |
| OKLCH | oklch(31.1% 0.038 267.4) |
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 #283044 | 13.15:1 | AAA | Lc -102.7 | Preferred for body text |
| Black text on #283044 | 1.59:1 | Fails | Lc 0.0 | Not readable |
| #283044 text on white | 13.15:1 | AAA | Lc 99.4 | Preferred for body text |
| #283044 text on black | 1.59:1 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E6EAF3
oklch(93.7% 0.013 266.7)
-
Step 200
200
#D2D9EA
oklch(88.5% 0.025 267.9)
-
Step 300
300
#B4C0DE
oklch(80.8% 0.044 268.1)
-
Step 400
400
#8DA0CE
oklch(70.8% 0.071 267.1)
-
Step 500
500
#7188C1
oklch(63.2% 0.09 267)
-
Step 600
600
#5971AE
oklch(55.7% 0.099 266.9)
-
Step 700
700
#495E95
oklch(49% 0.092 267.1)
-
Step 800
800
#3C4D79
oklch(42.7% 0.077 267.1)
-
Step 900
900
#334062
oklch(37.6% 0.061 267.5)
-
Step 950
950 (this color)
#283044
oklch(31.1% 0.038 267.4)
#283044 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) | #293245 | 0.007 |
| Deuteranopia (no green cones) | #272F44 | 0.004 |
| Tritanopia (no blue cones) | #1F3437 | 0.034 |
| Achromatopsia (no color) | #303030 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #283044
#283044
oklch(31.1% 0.038 267.4)
- #392F19
#392F19
oklch(31% 0.038 85.8)
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 #283044, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.010
- Space Cadet #2B2D42 ΔE 0.010
- Prussian Blue #1D3557 ΔE 0.035
- Dark Blue Grey #1F3B4D ΔE 0.036
- Oxford Blue #1B263B ΔE 0.042
- Onyx #343A40 ΔE 0.043
- Midnight Green #073B4C ΔE 0.043
- Dark #1B2431 ΔE 0.054
Use #283044 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.