#264B6F
Closest named color: Dark Grey Blue (#29465B). oklch(40.3% 0.074 249.6), rgb(38, 75, 111).
Aa
White text reads best on this color (9.05:1).
About this color
#264B6F is a dark, moderately saturated blue. In OKLCH its lightness is 40%, its chroma 0.074 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.034 away. White text reads best on it, at 9.05:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.31:1 |
| White text | 9.05:1 |
Values
| HEX | #264B6F |
| RGB | rgb(38, 75, 111) |
| HSL | hsl(210, 49%, 29%) |
| OKLCH | oklch(40.3% 0.074 249.6) |
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 #264B6F | 9.05:1 | AAA | Lc -95.1 | Preferred for body text |
| Black text on #264B6F | 2.31:1 | Fails | Lc 13.3 | Not readable |
| #264B6F text on white | 9.05:1 | AAA | Lc 90.6 | Preferred for body text |
| #264B6F text on black | 2.31:1 | Fails | Lc -11.7 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EBF2
oklch(93.7% 0.012 248)
-
Step 200
200
#CDDBE9
oklch(88.5% 0.025 248.1)
-
Step 300
300
#ACC3DC
oklch(80.8% 0.043 250.6)
-
Step 400
400
#7FA4CB
oklch(70.6% 0.07 250.2)
-
Step 500
500
#5E8EBD
oklch(63.2% 0.088 248.9)
-
Step 600
600
#4477AA
oklch(55.6% 0.097 250)
-
Step 700
700
#356492
oklch(49.1% 0.09 249.7)
-
Step 800
800 (this color)
#264B6F
oklch(40.3% 0.074 249.6)
-
Step 900
900
#28445F
oklch(37.7% 0.058 248.7)
-
Step 950
950
#182838
oklch(27.1% 0.037 249.3)
#264B6F 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) | #3B4D71 | 0.027 |
| Deuteranopia (no green cones) | #32456E | 0.021 |
| Tritanopia (no blue cones) | #005358 | 0.058 |
| Achromatopsia (no color) | #494949 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #264B6F
#264B6F
oklch(40.3% 0.074 249.6)
- #624014
#624014
oklch(40.2% 0.075 69.2)
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 #264B6F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.034
- Light Navy #155084 ΔE 0.036
- Deep Sea Blue #015482 ΔE 0.039
- Twilight Blue #0A437A ΔE 0.041
- Charcoal #264653 ΔE 0.047
- Dusk Blue #26538D ΔE 0.052
- Cobalt #1E488F ΔE 0.056
- Light Navy Blue #2E5A88 ΔE 0.058
Use #264B6F 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.