#033B4D
Closest named color: Midnight Green (#073B4C). oklch(32.9% 0.061 226.3), rgb(3, 59, 77).
Aa
White text reads best on this color (12.09:1).
About this color
#033B4D is a dark, muted teal or cyan. In OKLCH its lightness is 33%, its chroma 0.061 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.003 away. White text reads best on it, at 12.09:1.
| Hue family | Teals and cyans |
| Lightness | dark (33%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.73:1 |
| White text | 12.09:1 |
Values
| HEX | #033B4D |
| RGB | rgb(3, 59, 77) |
| HSL | hsl(195, 93%, 16%) |
| OKLCH | oklch(32.9% 0.061 226.3) |
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 #033B4D | 12.09:1 | AAA | Lc -100.8 | Preferred for body text |
| Black text on #033B4D | 1.73:1 | Fails | Lc 0.0 | Not readable |
| #033B4D text on white | 12.09:1 | AAA | Lc 97.3 | Preferred for body text |
| #033B4D 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
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C8DDE6
oklch(88.5% 0.026 225.3)
-
Step 300
300
#A2C7D8
oklch(80.8% 0.046 227.5)
-
Step 400
400
#6DAAC4
oklch(70.6% 0.074 226.9)
-
Step 500
500
#4095B5
oklch(63.1% 0.094 226.1)
-
Step 600
600
#137FA1
oklch(55.7% 0.102 226.1)
-
Step 700
700
#006B89
oklch(49.1% 0.094 225.7)
-
Step 800
800
#095770
oklch(42.7% 0.079 226.6)
-
Step 900
900 (this color)
#033B4D
oklch(32.9% 0.061 226.3)
-
Step 950
950
#0E2A35
oklch(26.9% 0.039 226.8)
#033B4D 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) | #313A4E | 0.045 |
| Deuteranopia (no green cones) | #28334D | 0.040 |
| Tritanopia (no blue cones) | #004041 | 0.032 |
| Achromatopsia (no color) | #363636 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #033B4D
#033B4D
oklch(32.9% 0.061 226.3)
- #4E2A18
#4E2A18
oklch(32.8% 0.061 46.4)
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 #033B4D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.003
- Dark Blue Grey #1F3B4D ΔE 0.021
- Prussian Blue #1D3557 ΔE 0.035
- Gunmetal #293241 ΔE 0.042
- Charcoal #264653 ΔE 0.050
- Onyx #343A40 ΔE 0.052
- Space Cadet #2B2D42 ΔE 0.055
- Marine Blue #01386A ΔE 0.055
Use #033B4D 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.