#264C5D
Closest named color: Dark Grey Blue (#29465B). oklch(39.6% 0.052 229.1), rgb(38, 76, 93).
Aa
White text reads best on this color (9.23:1).
About this color
#264C5D is a dark, muted teal or cyan. In OKLCH its lightness is 40%, its chroma 0.052 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.019 away. White text reads best on it, at 9.23:1.
| Hue family | Teals and cyans |
| Lightness | dark (40%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.27:1 |
| White text | 9.23:1 |
Values
| HEX | #264C5D |
| RGB | rgb(38, 76, 93) |
| HSL | hsl(199, 42%, 26%) |
| OKLCH | oklch(39.6% 0.052 229.1) |
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 #264C5D | 9.23:1 | AAA | Lc -95.5 | Preferred for body text |
| Black text on #264C5D | 2.27:1 | Fails | Lc 12.8 | Not readable |
| #264C5D text on white | 9.23:1 | AAA | Lc 91.2 | Preferred for body text |
| #264C5D text on black | 2.27:1 | Fails | Lc -11.2 | 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
#CBDCE5
oklch(88.4% 0.022 230.6)
-
Step 300
300
#A8C6D5
oklch(80.9% 0.039 229.5)
-
Step 400
400
#78A9C0
oklch(70.8% 0.062 228.8)
-
Step 500
500
#5293B0
oklch(63.1% 0.08 228.8)
-
Step 600
600
#337D9C
oklch(55.7% 0.087 229)
-
Step 700
700
#256985
oklch(49.1% 0.08 229.2)
-
Step 800
800
#21566C
oklch(42.8% 0.066 228.7)
-
Step 900
900 (this color)
#264C5D
oklch(39.6% 0.052 229.1)
-
Step 950
950
#142A33
oklch(27.1% 0.033 226.5)
#264C5D 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) | #434B5E | 0.037 |
| Deuteranopia (no green cones) | #3B455D | 0.032 |
| Tritanopia (no blue cones) | #005151 | 0.038 |
| Achromatopsia (no color) | #474747 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #264C5D
#264C5D
oklch(39.6% 0.052 229.1)
- #5E3E2D
#5E3E2D
oklch(39.6% 0.053 48.7)
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 #264C5D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.019
- Charcoal #264653 ΔE 0.022
- Dark Slate Gray #2F4F4F ΔE 0.030
- Deep Teal #00555A ΔE 0.036
- Dark Teal #014D4E ΔE 0.038
- Dark Blue Green #005249 ΔE 0.052
- Charcoal Grey #3C4142 ΔE 0.052
- Dark Blue Grey #1F3B4D ΔE 0.058
Use #264C5D 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.