#073172
Closest named color: Marine Blue (#01386A). oklch(33% 0.121 259.7), rgb(7, 49, 114).
Aa
White text reads best on this color (12.41:1).
About this color
#073172 is a dark, moderately saturated blue. In OKLCH its lightness is 33%, its chroma 0.121 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Marine Blue (#01386A), ΔE 0.026 away. White text reads best on it, at 12.41:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Marine Blue (#01386A) |
| Black text | 1.69:1 |
| White text | 12.41:1 |
Values
| HEX | #073172 |
| RGB | rgb(7, 49, 114) |
| HSL | hsl(216, 88%, 24%) |
| OKLCH | oklch(33% 0.121 259.7) |
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 #073172 | 12.41:1 | AAA | Lc -101.2 | Preferred for body text |
| Black text on #073172 | 1.69:1 | Fails | Lc 0.0 | Not readable |
| #073172 text on white | 12.41:1 | AAA | Lc 97.7 | Preferred for body text |
| #073172 text on black | 1.69:1 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EBFC
oklch(93.7% 0.026 259)
-
Step 200
200
#C6DAFB
oklch(88.4% 0.051 260.4)
-
Step 300
300
#9EC2FC
oklch(80.9% 0.091 259.8)
-
Step 400
400
#69A0FA
oklch(70.7% 0.145 259.8)
-
Step 500
500
#3F85F7
oklch(63.1% 0.185 259.7)
-
Step 600
600
#1B6BE6
oklch(55.6% 0.201 259.7)
-
Step 700
700
#0C58C8
oklch(49% 0.188 259.7)
-
Step 800
800
#0F49A2
oklch(42.7% 0.155 259.7)
-
Step 900
900 (this color)
#073172
oklch(33% 0.121 259.7)
-
Step 950
950
#0E254B
oklch(27% 0.076 259.9)
#073172 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) | #003974 | 0.022 |
| Deuteranopia (no green cones) | #003071 | 0.006 |
| Tritanopia (no blue cones) | #00414C | 0.092 |
| Achromatopsia (no color) | #343434 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #073172
#073172
oklch(33% 0.121 259.7)
- #483100
#483100
oklch(33.2% 0.069 80)
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 #073172, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Marine Blue #01386A ΔE 0.026
- Marine #042E60 ΔE 0.033
- Prussian Blue #1D3557 ΔE 0.053
- Twilight Blue #0A437A ΔE 0.054
- Midnight Blue #191970 ΔE 0.057
- Royal #0C1793 ΔE 0.074
- Midnight Green #073B4C ΔE 0.079
- Dark Blue Grey #1F3B4D ΔE 0.080
Use #073172 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.