#253996
Closest named color: Sapphire (#2138AB). oklch(39.1% 0.154 268.7), rgb(37, 57, 150).
Aa
White text reads best on this color (9.97:1).
About this color
#253996 is a dark, vivid blue. In OKLCH its lightness is 39%, its chroma 0.154 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Sapphire (#2138AB), ΔE 0.035 away. White text reads best on it, at 9.97:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | vivid (0.154) |
| Temperature | cool |
| Nearest name | Sapphire (#2138AB) |
| Black text | 2.10:1 |
| White text | 9.97:1 |
Values
| HEX | #253996 |
| RGB | rgb(37, 57, 150) |
| HSL | hsl(229, 60%, 37%) |
| OKLCH | oklch(39.1% 0.154 268.7) |
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 #253996 | 9.97:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #253996 | 2.10:1 | Fails | Lc 11.3 | Not readable |
| #253996 text on white | 9.97:1 | AAA | Lc 92.6 | Preferred for body text |
| #253996 text on black | 2.10:1 | Fails | Lc -9.8 | 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 900.
-
Step 50
50
#F2F5FF
oklch(97.1% 0.014 272.7)
-
Step 100
100
#E1EAFF
oklch(93.7% 0.03 267.2)
-
Step 200
200
#CAD8FF
oklch(88.4% 0.056 269.7)
-
Step 300
300
#A7BFFF
oklch(81% 0.095 268.4)
-
Step 400
400
#799AFF
oklch(70.6% 0.153 268.6)
-
Step 500
500
#597DFF
oklch(63.2% 0.197 268.6)
-
Step 600
600
#3D5AFF
oklch(55.6% 0.245 268.8)
-
Step 700
700
#2F45E5
oklch(49.2% 0.239 268.6)
-
Step 800
800
#273AB9
oklch(42.7% 0.198 268.9)
-
Step 900
900 (this color)
#253996
oklch(39.1% 0.154 268.7)
-
Step 950
950
#132055
oklch(26.9% 0.098 268.5)
#253996 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) | #004899 | 0.040 |
| Deuteranopia (no green cones) | #003D94 | 0.025 |
| Tritanopia (no blue cones) | #005162 | 0.122 |
| Achromatopsia (no color) | #424242 | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #253996
#253996
oklch(39.1% 0.154 268.7)
- #574200
#574200
oklch(39.1% 0.08 88)
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 #253996, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sapphire #2138AB ΔE 0.035
- Cobalt #1E488F ΔE 0.041
- Blueberry #464196 ΔE 0.053
- Dark Slate Blue #483D8B ΔE 0.056
- Twilight Blue #0A437A ΔE 0.059
- Indigo Blue #3A18B1 ΔE 0.070
- Light Navy #155084 ΔE 0.072
- Dusk Blue #26538D ΔE 0.074
Use #253996 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.