#073668
Closest named color: Marine Blue (#01386A). oklch(33.4% 0.1 254.4), rgb(7, 54, 104).
Aa
White text reads best on this color (12.09:1).
About this color
#073668 is a dark, moderately saturated blue. In OKLCH its lightness is 33%, its chroma 0.100 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.007 away. White text reads best on it, at 12.09:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.73:1 |
| White text | 12.09:1 |
Values
| HEX | #073668 |
| RGB | rgb(7, 54, 104) |
| HSL | hsl(211, 87%, 22%) |
| OKLCH | oklch(33.4% 0.1 254.4) |
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 #073668 | 12.09:1 | AAA | Lc -100.8 | Preferred for body text |
| Black text on #073668 | 1.73:1 | Fails | Lc 0.0 | Not readable |
| #073668 text on white | 12.09:1 | AAA | Lc 97.2 | Preferred for body text |
| #073668 text on black | 1.73:1 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E0EBF9
oklch(93.6% 0.022 254.4)
-
Step 200
200
#C7DBF5
oklch(88.5% 0.042 255)
-
Step 300
300
#A0C4F1
oklch(81% 0.075 254.2)
-
Step 400
400
#6BA3EA
oklch(70.6% 0.12 254.9)
-
Step 500
500
#408BE3
oklch(63.2% 0.152 254.3)
-
Step 600
600
#1972D1
oklch(55.5% 0.167 254.6)
-
Step 700
700
#075FB5
oklch(49% 0.155 254.5)
-
Step 800
800
#0D4E93
oklch(42.6% 0.129 254.6)
-
Step 900
900 (this color)
#073668
oklch(33.4% 0.1 254.4)
-
Step 950
950
#0E2744
oklch(27% 0.062 253.9)
#073668 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) | #1B3A6A | 0.021 |
| Deuteranopia (no green cones) | #033267 | 0.013 |
| Tritanopia (no blue cones) | #00424A | 0.074 |
| Achromatopsia (no color) | #363636 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #073668
#073668
oklch(33.4% 0.1 254.4)
- #4C3000
#4C3000
oklch(33.5% 0.071 74)
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 #073668, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.007
- Marine #042E60 ΔE 0.028
- Prussian Blue #1D3557 ΔE 0.033
- Twilight Blue #0A437A ΔE 0.048
- Midnight Green #073B4C ΔE 0.056
- Dark Blue Grey #1F3B4D ΔE 0.057
- Dark Grey Blue #29465B ΔE 0.070
- Gunmetal #293241 ΔE 0.073
Use #073668 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.