#004265
Closest named color: Marine Blue (#01386A). oklch(36.2% 0.084 240.6), rgb(0, 66, 101).
Aa
White text reads best on this color (10.67:1).
About this color
#004265 is a dark, moderately saturated blue. In OKLCH its lightness is 36%, its chroma 0.084 and its hue 241°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.034 away. White text reads best on it, at 10.67:1.
| Hue family | Blues |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.96:1 |
| White text | 10.67:1 |
Values
| HEX | #004265 |
| RGB | rgb(0, 66, 101) |
| HSL | hsl(201, 100%, 20%) |
| OKLCH | oklch(36.2% 0.084 240.6) |
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 #004265 | 10.67:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #004265 | 1.96:1 | Fails | Lc 9.7 | Not readable |
| #004265 text on white | 10.67:1 | AAA | Lc 94.2 | Preferred for body text |
| #004265 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
#C5DDEE
oklch(88.5% 0.035 238.7)
-
Step 300
300
#9DC7E6
oklch(81% 0.063 240.5)
-
Step 400
400
#63A9D9
oklch(70.8% 0.1 240.2)
-
Step 500
500
#2D92CF
oklch(63.1% 0.128 240.5)
-
Step 600
600
#007BB7
oklch(55.7% 0.129 240.7)
-
Step 700
700
#00679A
oklch(49.1% 0.113 240.5)
-
Step 800
800
#00547F
oklch(42.6% 0.099 240.7)
-
Step 900
900 (this color)
#004265
oklch(36.2% 0.084 240.6)
-
Step 950
950
#09293E
oklch(27% 0.054 241.8)
#004265 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) | #314367 | 0.041 |
| Deuteranopia (no green cones) | #233A64 | 0.031 |
| Tritanopia (no blue cones) | #004B4F | 0.055 |
| Achromatopsia (no color) | #3E3E3E | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #004265
#004265
oklch(36.2% 0.084 240.6)
- #5C3101
#5C3101
oklch(36.1% 0.083 60.7)
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 #004265, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.034
- Twilight Blue #0A437A ΔE 0.037
- Dark Grey Blue #29465B ΔE 0.039
- Prussian Blue #1D3557 ΔE 0.044
- Dark Blue Grey #1F3B4D ΔE 0.044
- Charcoal #264653 ΔE 0.045
- Midnight Green #073B4C ΔE 0.045
- Dark Teal #014D4E ΔE 0.062
Use #004265 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.