#264E99
Closest named color: Cobalt (#1E488F). oklch(43.8% 0.131 261.6), rgb(38, 78, 153).
Aa
White text reads best on this color (7.97:1).
About this color
#264E99 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.131 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.025 away. White text reads best on it, at 7.97:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.131) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.63:1 |
| White text | 7.97:1 |
Values
| HEX | #264E99 |
| RGB | rgb(38, 78, 153) |
| HSL | hsl(219, 60%, 37%) |
| OKLCH | oklch(43.8% 0.131 261.6) |
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 #264E99 | 7.97:1 | AAA | Lc -92.0 | Preferred for body text |
| Black text on #264E99 | 2.63:1 | Fails | Lc 16.7 | Dividers and decoration only |
| #264E99 text on white | 7.97:1 | AAA | Lc 87.3 | Fine for body text |
| #264E99 text on black | 2.63:1 | Fails | Lc -14.8 | 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 800.
-
Step 50
50
#F2F6FD
oklch(97.2% 0.01 261.8)
-
Step 100
100
#E2EAF9
oklch(93.5% 0.022 263.2)
-
Step 200
200
#CADAF6
oklch(88.5% 0.042 261.7)
-
Step 300
300
#A5C2F3
oklch(81% 0.077 260.8)
-
Step 400
400
#75A0ED
oklch(70.7% 0.123 261.5)
-
Step 500
500
#5286E7
oklch(63.1% 0.157 261.7)
-
Step 600
600
#366ED5
oklch(55.7% 0.169 261.3)
-
Step 700
700
#295BB9
oklch(49.2% 0.158 261.5)
-
Step 800
800 (this color)
#264E99
oklch(43.8% 0.131 261.6)
-
Step 900
900
#213F77
oklch(37.7% 0.102 261.6)
-
Step 950
950
#142546
oklch(26.9% 0.066 262.3)
#264E99 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) | #24569C | 0.022 |
| Deuteranopia (no green cones) | #004C97 | 0.023 |
| Tritanopia (no blue cones) | #00606C | 0.104 |
| Achromatopsia (no color) | #515151 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #264E99
#264E99
oklch(43.8% 0.131 261.6)
- #6B4C00
#6B4C00
oklch(43.9% 0.09 81.6)
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 #264E99, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.025
- Dusk Blue #26538D ΔE 0.026
- Light Navy #155084 ΔE 0.039
- Blueberry #464196 ΔE 0.048
- Denim Blue #3B5B92 ΔE 0.049
- Deep Sea Blue #015482 ΔE 0.049
- Light Navy Blue #2E5A88 ΔE 0.050
- Twilight #4E518B ΔE 0.056
Use #264E99 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.