#003E60
Closest named color: Marine Blue (#01386A). oklch(34.8% 0.081 241.2), rgb(0, 62, 96).
Aa
White text reads best on this color (11.30:1).
About this color
#003E60 is a dark, moderately saturated blue. In OKLCH its lightness is 35%, its chroma 0.081 and its hue 241°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.028 away. White text reads best on it, at 11.30:1.
| Hue family | Blues |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.85:1 |
| White text | 11.30:1 |
Values
| HEX | #003E60 |
| RGB | rgb(0, 62, 96) |
| HSL | hsl(201, 100%, 19%) |
| OKLCH | oklch(34.8% 0.081 241.2) |
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 #003E60 | 11.30:1 | AAA | Lc -99.4 | Preferred for body text |
| Black text on #003E60 | 1.85:1 | Fails | Lc 8.3 | Not readable |
| #003E60 text on white | 11.30:1 | AAA | Lc 95.6 | Preferred for body text |
| #003E60 text on black | 1.85:1 | Fails | Lc 0.0 | 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
#9EC6E5
oklch(80.8% 0.061 241.8)
-
Step 400
400
#66A8D8
oklch(70.7% 0.098 241.6)
-
Step 500
500
#3492CE
oklch(63.2% 0.125 241.2)
-
Step 600
600
#007BB8
oklch(55.7% 0.13 241.1)
-
Step 700
700
#00679B
oklch(49.1% 0.115 241)
-
Step 800
800
#005480
oklch(42.6% 0.1 241.3)
-
Step 900
900 (this color)
#003E60
oklch(34.8% 0.081 241.2)
-
Step 950
950
#0A293D
oklch(26.9% 0.052 241)
#003E60 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) | #2D3F61 | 0.038 |
| Deuteranopia (no green cones) | #20375F | 0.028 |
| Tritanopia (no blue cones) | #00464A | 0.053 |
| Achromatopsia (no color) | #3A3A3A | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #003E60
#003E60
oklch(34.8% 0.081 241.2)
- #572E00
#572E00
oklch(34.7% 0.081 61)
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 #003E60, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.028
- Prussian Blue #1D3557 ΔE 0.032
- Midnight Green #073B4C ΔE 0.035
- Dark Blue Grey #1F3B4D ΔE 0.036
- Dark Grey Blue #29465B ΔE 0.045
- Twilight Blue #0A437A ΔE 0.047
- Charcoal #264653 ΔE 0.049
- Marine #042E60 ΔE 0.051
Use #003E60 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.