#004264
Closest named color: Marine Blue (#01386A). oklch(36.1% 0.083 239.9), rgb(0, 66, 100).
Aa
White text reads best on this color (10.69:1).
About this color
#004264 is a dark, moderately saturated blue. In OKLCH its lightness is 36%, its chroma 0.083 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.035 away. White text reads best on it, at 10.69:1.
| Hue family | Blues |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.96:1 |
| White text | 10.69:1 |
Values
| HEX | #004264 |
| RGB | rgb(0, 66, 100) |
| HSL | hsl(200, 100%, 20%) |
| OKLCH | oklch(36.1% 0.083 239.9) |
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 #004264 | 10.69:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #004264 | 1.96:1 | Fails | Lc 9.6 | Not readable |
| #004264 text on white | 10.69:1 | AAA | Lc 94.3 | Preferred for body text |
| #004264 text on black | 1.96:1 | Fails | Lc -8.3 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E0ECF5
oklch(93.7% 0.018 240)
-
Step 200
200
#C6DDEE
oklch(88.6% 0.034 239.9)
-
Step 300
300
#9DC7E5
oklch(81% 0.062 239.6)
-
Step 400
400
#63A9D8
oklch(70.7% 0.099 239.6)
-
Step 500
500
#2E92CE
oklch(63.1% 0.127 240.2)
-
Step 600
600
#007BB5
oklch(55.6% 0.127 239.8)
-
Step 700
700
#006799
oklch(49% 0.112 240)
-
Step 800
800
#00557E
oklch(42.8% 0.097 239.2)
-
Step 900
900 (this color)
#004264
oklch(36.1% 0.083 239.9)
-
Step 950
950
#09293D
oklch(26.9% 0.052 240.5)
#004264 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) | #314365 | 0.041 |
| Deuteranopia (no green cones) | #243A63 | 0.032 |
| Tritanopia (no blue cones) | #004B4E | 0.055 |
| Achromatopsia (no color) | #3E3E3E | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #004264
#004264
oklch(36.1% 0.083 239.9)
- #5C3103
#5C3103
oklch(36.1% 0.082 59.9)
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 #004264, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.035
- Dark Grey Blue #29465B ΔE 0.038
- Twilight Blue #0A437A ΔE 0.039
- Dark Blue Grey #1F3B4D ΔE 0.043
- Prussian Blue #1D3557 ΔE 0.043
- Midnight Green #073B4C ΔE 0.044
- Charcoal #264653 ΔE 0.044
- Dark Teal #014D4E ΔE 0.060
Use #004264 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.