#033A54
Closest named color: Midnight Green (#073B4C). oklch(33% 0.069 236.3), rgb(3, 58, 84).
Aa
White text reads best on this color (12.08:1).
About this color
#033A54 is a dark, muted blue. In OKLCH its lightness is 33%, its chroma 0.069 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.016 away. White text reads best on it, at 12.08:1.
| Hue family | Blues |
| Lightness | dark (33%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.73:1 |
| White text | 12.08:1 |
Values
| HEX | #033A54 |
| RGB | rgb(3, 58, 84) |
| HSL | hsl(199, 93%, 17%) |
| OKLCH | oklch(33% 0.069 236.3) |
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 #033A54 | 12.08:1 | AAA | Lc -100.8 | Preferred for body text |
| Black text on #033A54 | 1.73:1 | Fails | Lc 0.0 | Not readable |
| #033A54 text on white | 12.08:1 | AAA | Lc 97.2 | Preferred for body text |
| #033A54 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1ECF3
oklch(93.7% 0.015 235.4)
-
Step 200
200
#C8DDEA
oklch(88.6% 0.029 234.9)
-
Step 300
300
#A1C6DE
oklch(80.8% 0.052 236.7)
-
Step 400
400
#6CA9CE
oklch(70.7% 0.083 236.3)
-
Step 500
500
#3F93C1
oklch(63.2% 0.106 236)
-
Step 600
600
#127CAE
oklch(55.6% 0.116 236.7)
-
Step 700
700
#006895
oklch(49% 0.107 237)
-
Step 800
800
#085579
oklch(42.6% 0.089 236.7)
-
Step 900
900 (this color)
#033A54
oklch(33% 0.069 236.3)
-
Step 950
950
#0E2A39
oklch(27.1% 0.044 235)
#033A54 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) | #2D3A55 | 0.039 |
| Deuteranopia (no green cones) | #233354 | 0.032 |
| Tritanopia (no blue cones) | #004143 | 0.044 |
| Achromatopsia (no color) | #363636 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #033A54
#033A54
oklch(33% 0.069 236.3)
- #502B0C
#502B0C
oklch(33.1% 0.069 56.5)
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 #033A54, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.016
- Dark Blue Grey #1F3B4D ΔE 0.024
- Prussian Blue #1D3557 ΔE 0.025
- Marine Blue #01386A ΔE 0.041
- Gunmetal #293241 ΔE 0.046
- Marine #042E60 ΔE 0.047
- Charcoal #264653 ΔE 0.053
- Dark Grey Blue #29465B ΔE 0.055
Use #033A54 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.