#264B5B
Closest named color: Dark Grey Blue (#29465B). oklch(39.2% 0.05 228.2), rgb(38, 75, 91).
Aa
White text reads best on this color (9.37:1).
About this color
#264B5B is a dark, muted teal or cyan. In OKLCH its lightness is 39%, its chroma 0.050 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.016 away. White text reads best on it, at 9.37:1.
| Hue family | Teals and cyans |
| Lightness | dark (39%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.23:1 |
| White text | 9.37:1 |
Values
| HEX | #264B5B |
| RGB | rgb(38, 75, 91) |
| HSL | hsl(198, 41%, 25%) |
| OKLCH | oklch(39.2% 0.05 228.2) |
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 #264B5B | 9.37:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #264B5B | 2.23:1 | Fails | Lc 12.4 | Not readable |
| #264B5B text on white | 9.37:1 | AAA | Lc 91.5 | Preferred for body text |
| #264B5B text on black | 2.23:1 | Fails | Lc -10.8 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CCDCE4
oklch(88.5% 0.02 229.1)
-
Step 300
300
#A8C6D4
oklch(80.9% 0.038 227.7)
-
Step 400
400
#79A9BF
oklch(70.9% 0.06 228.1)
-
Step 500
500
#5493AE
oklch(63.2% 0.077 227.7)
-
Step 600
600
#357D9A
oklch(55.7% 0.084 227.7)
-
Step 700
700
#276984
oklch(49.1% 0.078 228.7)
-
Step 800
800
#22566B
oklch(42.8% 0.065 227.8)
-
Step 900
900 (this color)
#264B5B
oklch(39.2% 0.05 228.2)
-
Step 950
950
#152A33
oklch(27.2% 0.032 227.5)
#264B5B 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) | #434A5C | 0.037 |
| Deuteranopia (no green cones) | #3B445B | 0.032 |
| Tritanopia (no blue cones) | #015050 | 0.037 |
| Achromatopsia (no color) | #464646 | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #264B5B
#264B5B
oklch(39.2% 0.05 228.2)
- #5C3D2E
#5C3D2E
oklch(39.2% 0.05 46.6)
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 #264B5B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.016
- Charcoal #264653 ΔE 0.018
- Dark Slate Gray #2F4F4F ΔE 0.029
- Dark Teal #014D4E ΔE 0.036
- Deep Teal #00555A ΔE 0.037
- Charcoal Grey #3C4142 ΔE 0.049
- Dark Blue Green #005249 ΔE 0.051
- Dark Blue Grey #1F3B4D ΔE 0.055
Use #264B5B 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.