#253247
Closest named color: Gunmetal (#293241). oklch(31.5% 0.042 259.8), rgb(37, 50, 71).
Aa
White text reads best on this color (12.91:1).
About this color
#253247 is a dark, muted blue. In OKLCH its lightness is 32%, its chroma 0.042 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.012 away. White text reads best on it, at 12.91:1.
| Hue family | Blues |
| Lightness | dark (32%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.62:1 |
| White text | 12.91:1 |
Values
| HEX | #253247 |
| RGB | rgb(37, 50, 71) |
| HSL | hsl(217, 31%, 21%) |
| OKLCH | oklch(31.5% 0.042 259.8) |
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 #253247 | 12.91:1 | AAA | Lc -102.4 | Preferred for body text |
| Black text on #253247 | 1.62:1 | Fails | Lc 0.0 | Not readable |
| #253247 text on white | 12.91:1 | AAA | Lc 99.1 | Preferred for body text |
| #253247 text on black | 1.62:1 | 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
#E4EAF4
oklch(93.5% 0.015 260.7)
-
Step 200
200
#CFDAEC
oklch(88.5% 0.028 260.3)
-
Step 300
300
#AEC2E1
oklch(80.9% 0.049 259.1)
-
Step 400
400
#84A2D2
oklch(70.8% 0.078 259.7)
-
Step 500
500
#658AC7
oklch(63.2% 0.101 260.1)
-
Step 600
600
#4C73B3
oklch(55.6% 0.109 259.9)
-
Step 700
700
#3D609A
oklch(49.1% 0.102 260)
-
Step 800
800
#324F7D
oklch(42.8% 0.084 259.3)
-
Step 900
900
#2C4265
oklch(37.8% 0.066 259.4)
-
Step 950
950 (this color)
#253247
oklch(31.5% 0.042 259.8)
#253247 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) | #2A3348 | 0.009 |
| Deuteranopia (no green cones) | #273047 | 0.007 |
| Tritanopia (no blue cones) | #193639 | 0.037 |
| Achromatopsia (no color) | #313131 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #253247
#253247
oklch(31.5% 0.042 259.8)
- #3D2F18
#3D2F18
oklch(31.5% 0.042 78.8)
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 #253247, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.012
- Space Cadet #2B2D42 ΔE 0.018
- Prussian Blue #1D3557 ΔE 0.029
- Dark Blue Grey #1F3B4D ΔE 0.029
- Midnight Green #073B4C ΔE 0.036
- Onyx #343A40 ΔE 0.041
- Oxford Blue #1B263B ΔE 0.046
- Marine #042E60 ΔE 0.058
Use #253247 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.