#033A52
Closest named color: Midnight Green (#073B4C). oklch(32.9% 0.067 234.2), rgb(3, 58, 82).
Aa
White text reads best on this color (12.13:1).
About this color
#033A52 is a dark, muted blue. In OKLCH its lightness is 33%, its chroma 0.067 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.012 away. White text reads best on it, at 12.13:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.73:1 |
| White text | 12.13:1 |
Values
| HEX | #033A52 |
| RGB | rgb(3, 58, 82) |
| HSL | hsl(198, 93%, 17%) |
| OKLCH | oklch(32.9% 0.067 234.2) |
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 #033A52 | 12.13:1 | AAA | Lc -100.9 | Preferred for body text |
| Black text on #033A52 | 1.73:1 | Fails | Lc 0.0 | Not readable |
| #033A52 text on white | 12.13:1 | AAA | Lc 97.3 | Preferred for body text |
| #033A52 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF2
oklch(93.7% 0.014 231.2)
-
Step 200
200
#C8DDE9
oklch(88.6% 0.028 232.7)
-
Step 300
300
#A2C7DD
oklch(81% 0.05 234.3)
-
Step 400
400
#6CA9CB
oklch(70.6% 0.08 234)
-
Step 500
500
#4093BE
oklch(63% 0.103 234.4)
-
Step 600
600
#137DAA
oklch(55.6% 0.111 233.8)
-
Step 700
700
#006992
oklch(49.1% 0.103 234.3)
-
Step 800
800
#095677
oklch(42.8% 0.086 234.2)
-
Step 900
900 (this color)
#033A52
oklch(32.9% 0.067 234.2)
-
Step 950
950
#0E2A38
oklch(27.1% 0.042 233.2)
#033A52 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) | #2E3A53 | 0.041 |
| Deuteranopia (no green cones) | #243352 | 0.033 |
| Tritanopia (no blue cones) | #004042 | 0.040 |
| Achromatopsia (no color) | #363636 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #033A52
#033A52
oklch(32.9% 0.067 234.2)
- #4F2A0F
#4F2A0F
oklch(32.8% 0.067 53.7)
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 #033A52, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.012
- Dark Blue Grey #1F3B4D ΔE 0.023
- Prussian Blue #1D3557 ΔE 0.027
- Gunmetal #293241 ΔE 0.044
- Marine Blue #01386A ΔE 0.045
- Marine #042E60 ΔE 0.050
- Charcoal #264653 ΔE 0.053
- Space Cadet #2B2D42 ΔE 0.054
Use #033A52 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.