#264D5F
Closest named color: Dark Grey Blue (#29465B). oklch(40% 0.054 230), rgb(38, 77, 95).
Aa
White text reads best on this color (9.09:1).
About this color
#264D5F is a dark, muted blue. In OKLCH its lightness is 40%, its chroma 0.054 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.022 away. White text reads best on it, at 9.09:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.30:1 |
| White text | 9.09:1 |
Values
| HEX | #264D5F |
| RGB | rgb(38, 77, 95) |
| HSL | hsl(199, 43%, 26%) |
| OKLCH | oklch(40% 0.054 230) |
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 #264D5F | 9.09:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #264D5F | 2.30:1 | Fails | Lc 13.2 | Not readable |
| #264D5F text on white | 9.09:1 | AAA | Lc 90.8 | Preferred for body text |
| #264D5F text on black | 2.30:1 | Fails | Lc -11.5 | 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
#E2EBF0
oklch(93.5% 0.012 231.7)
-
Step 200
200
#CBDCE5
oklch(88.4% 0.022 230.6)
-
Step 300
300
#A7C6D6
oklch(80.9% 0.04 230.3)
-
Step 400
400
#76A9C1
oklch(70.8% 0.064 228.9)
-
Step 500
500
#5093B2
oklch(63.1% 0.083 229.9)
-
Step 600
600
#317D9D
oklch(55.7% 0.089 229.3)
-
Step 700
700
#226987
oklch(49.1% 0.084 230.3)
-
Step 800
800
#1F566D
oklch(42.8% 0.068 229.2)
-
Step 900
900 (this color)
#264D5F
oklch(40% 0.054 230)
-
Step 950
950
#142A34
oklch(27.2% 0.034 229.2)
#264D5F 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) | #444C60 | 0.038 |
| Deuteranopia (no green cones) | #3C465F | 0.033 |
| Tritanopia (no blue cones) | #005253 | 0.038 |
| Achromatopsia (no color) | #484848 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #264D5F
#264D5F
oklch(40% 0.054 230)
- #5F3F2D
#5F3F2D
oklch(40% 0.053 50)
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 #264D5F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.022
- Charcoal #264653 ΔE 0.027
- Dark Slate Gray #2F4F4F ΔE 0.031
- Deep Teal #00555A ΔE 0.035
- Dark Teal #014D4E ΔE 0.040
- Dark Blue Green #005249 ΔE 0.053
- Charcoal Grey #3C4142 ΔE 0.055
- Petrol #005F6A ΔE 0.055
Use #264D5F 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.