#033A4D
Closest named color: Midnight Green (#073B4C). oklch(32.6% 0.062 228), rgb(3, 58, 77).
Aa
White text reads best on this color (12.23:1).
About this color
#033A4D is a dark, muted teal or cyan. In OKLCH its lightness is 33%, its chroma 0.062 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.005 away. White text reads best on it, at 12.23:1.
| Hue family | Teals and cyans |
| Lightness | dark (33%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.71:1 |
| White text | 12.23:1 |
Values
| HEX | #033A4D |
| RGB | rgb(3, 58, 77) |
| HSL | hsl(195, 93%, 16%) |
| OKLCH | oklch(32.6% 0.062 228) |
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 #033A4D | 12.23:1 | AAA | Lc -101.1 | Preferred for body text |
| Black text on #033A4D | 1.71:1 | Fails | Lc 0.0 | Not readable |
| #033A4D text on white | 12.23:1 | AAA | Lc 97.5 | Preferred for body text |
| #033A4D text on black | 1.71:1 | 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
#C8DDE7
oklch(88.5% 0.026 227.9)
-
Step 300
300
#A2C7D8
oklch(80.8% 0.046 227.5)
-
Step 400
400
#6DAAC5
oklch(70.7% 0.074 227.8)
-
Step 500
500
#4194B6
oklch(63% 0.095 228.1)
-
Step 600
600
#167EA2
oklch(55.5% 0.103 228)
-
Step 700
700
#016A8B
oklch(49% 0.096 228.4)
-
Step 800
800
#0B5771
oklch(42.7% 0.079 227.9)
-
Step 900
900 (this color)
#033A4D
oklch(32.6% 0.062 228)
-
Step 950
950
#0F2A35
oklch(27% 0.038 227.5)
#033A4D 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) | #30394E | 0.044 |
| Deuteranopia (no green cones) | #26324D | 0.038 |
| Tritanopia (no blue cones) | #003F40 | 0.033 |
| Achromatopsia (no color) | #353535 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #033A4D
#033A4D
oklch(32.6% 0.062 228)
- #4E2A16
#4E2A16
oklch(32.7% 0.062 48.5)
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 #033A4D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.005
- Dark Blue Grey #1F3B4D ΔE 0.022
- Prussian Blue #1D3557 ΔE 0.033
- Gunmetal #293241 ΔE 0.041
- Charcoal #264653 ΔE 0.053
- Space Cadet #2B2D42 ΔE 0.053
- Onyx #343A40 ΔE 0.053
- Marine Blue #01386A ΔE 0.054
Use #033A4D 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.