#253144
Closest named color: Gunmetal (#293241). oklch(31.1% 0.038 259.4), rgb(37, 49, 68).
Aa
White text reads best on this color (13.11:1).
About this color
#253144 is a dark, muted blue. In OKLCH its lightness is 31%, its chroma 0.038 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.009 away. White text reads best on it, at 13.11:1.
| Hue family | Blues |
| Lightness | dark (31%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.60:1 |
| White text | 13.11:1 |
Values
| HEX | #253144 |
| RGB | rgb(37, 49, 68) |
| HSL | hsl(217, 30%, 21%) |
| OKLCH | oklch(31.1% 0.038 259.4) |
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 #253144 | 13.11:1 | AAA | Lc -102.6 | Preferred for body text |
| Black text on #253144 | 1.60:1 | Fails | Lc 0.0 | Not readable |
| #253144 text on white | 13.11:1 | AAA | Lc 99.4 | Preferred for body text |
| #253144 text on black | 1.60:1 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E5EAF3
oklch(93.6% 0.013 262.4)
-
Step 200
200
#D0DAEA
oklch(88.6% 0.025 259.8)
-
Step 300
300
#B0C2DE
oklch(80.9% 0.044 259.2)
-
Step 400
400
#86A2CE
oklch(70.7% 0.072 259.3)
-
Step 500
500
#688AC1
oklch(63% 0.092 259.8)
-
Step 600
600
#4F73AE
oklch(55.5% 0.101 259.9)
-
Step 700
700
#406195
oklch(49.2% 0.092 259.2)
-
Step 800
800
#354F79
oklch(42.7% 0.077 259.6)
-
Step 900
900
#2E4261
oklch(37.7% 0.059 258.9)
-
Step 950
950 (this color)
#253144
oklch(31.1% 0.038 259.4)
#253144 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) | #2A3245 | 0.009 |
| Deuteranopia (no green cones) | #272F44 | 0.007 |
| Tritanopia (no blue cones) | #1A3538 | 0.033 |
| Achromatopsia (no color) | #303030 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #253144
#253144
oklch(31.1% 0.038 259.4)
- #3B2E1A
#3B2E1A
oklch(31% 0.037 77.5)
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 #253144, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.009
- Space Cadet #2B2D42 ΔE 0.015
- Dark Blue Grey #1F3B4D ΔE 0.033
- Prussian Blue #1D3557 ΔE 0.034
- Midnight Green #073B4C ΔE 0.039
- Oxford Blue #1B263B ΔE 0.042
- Onyx #343A40 ΔE 0.042
- Dark #1B2431 ΔE 0.054
Use #253144 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.