#263E4A
Closest named color: Dark Blue Grey (#1F3B4D). oklch(34.9% 0.036 230.9), rgb(38, 62, 74).
Aa
White text reads best on this color (11.22:1).
About this color
#263E4A is a dark, muted blue. In OKLCH its lightness is 35%, its chroma 0.036 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Grey (#1F3B4D), ΔE 0.016 away. White text reads best on it, at 11.22:1.
| Hue family | Blues |
| Lightness | dark (35%) |
| Chroma | muted (0.036) |
| Temperature | cool |
| Nearest name | Dark Blue Grey (#1F3B4D) |
| Black text | 1.87:1 |
| White text | 11.22:1 |
Values
| HEX | #263E4A |
| RGB | rgb(38, 62, 74) |
| HSL | hsl(200, 32%, 22%) |
| OKLCH | oklch(34.9% 0.036 230.9) |
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 #263E4A | 11.22:1 | AAA | Lc -99.7 | Preferred for body text |
| Black text on #263E4A | 1.87:1 | Fails | Lc 8.0 | Not readable |
| #263E4A text on white | 11.22:1 | AAA | Lc 95.9 | Preferred for body text |
| #263E4A text on black | 1.87:1 | 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 900.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBEE
oklch(93.6% 0.008 228.9)
-
Step 200
200
#D0DBE1
oklch(88.5% 0.015 231.2)
-
Step 300
300
#B0C4CF
oklch(80.9% 0.027 231.7)
-
Step 400
400
#85A6B7
oklch(70.6% 0.044 230.5)
-
Step 500
500
#6690A5
oklch(63% 0.056 230.4)
-
Step 600
600
#4D7A91
oklch(55.6% 0.061 231.6)
-
Step 700
700
#3E677B
oklch(49.2% 0.056 230.6)
-
Step 800
800
#335464
oklch(42.7% 0.047 230.3)
-
Step 900
900 (this color)
#263E4A
oklch(34.9% 0.036 230.9)
-
Step 950
950
#1B2930
oklch(27.1% 0.023 230.3)
#263E4A 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) | #383D4B | 0.026 |
| Deuteranopia (no green cones) | #33394A | 0.023 |
| Tritanopia (no blue cones) | #174142 | 0.026 |
| Achromatopsia (no color) | #3B3B3B | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #263E4A
#263E4A
oklch(34.9% 0.036 230.9)
- #4A3529
#4A3529
oklch(34.9% 0.036 50.9)
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 #263E4A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Grey #1F3B4D ΔE 0.016
- Onyx #343A40 ΔE 0.024
- Charcoal #264653 ΔE 0.027
- Midnight Green #073B4C ΔE 0.030
- Dark Grey Blue #29465B ΔE 0.035
- Charcoal Grey #3C4142 ΔE 0.037
- Gunmetal #293241 ΔE 0.039
- Prussian Blue #1D3557 ΔE 0.044
Use #263E4A 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.