#033B4A
Closest named color: Midnight Green (#073B4C). oklch(32.7% 0.059 221.9), rgb(3, 59, 74).
Aa
White text reads best on this color (12.15:1).
About this color
#033B4A is a dark, muted teal or cyan. In OKLCH its lightness is 33%, its chroma 0.059 and its hue 222°. 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 12.15:1.
| Hue family | Teals and cyans |
| Lightness | dark (33%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.72:1 |
| White text | 12.15:1 |
Values
| HEX | #033B4A |
| RGB | rgb(3, 59, 74) |
| HSL | hsl(193, 92%, 15%) |
| OKLCH | oklch(32.7% 0.059 221.9) |
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 #033B4A | 12.15:1 | AAA | Lc -100.9 | Preferred for body text |
| Black text on #033B4A | 1.72:1 | Fails | Lc 0.0 | Not readable |
| #033B4A text on white | 12.15:1 | AAA | Lc 97.4 | Preferred for body text |
| #033B4A text on black | 1.72:1 | 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
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECF0
oklch(93.6% 0.013 221.4)
-
Step 200
200
#C9DDE5
oklch(88.5% 0.024 223.7)
-
Step 300
300
#A2C8D5
oklch(81% 0.044 220.7)
-
Step 400
400
#6EABC0
oklch(70.7% 0.07 221.8)
-
Step 500
500
#4196B0
oklch(63.2% 0.09 221.1)
-
Step 600
600
#15809C
oklch(55.7% 0.098 221.4)
-
Step 700
700
#006C85
oklch(49.2% 0.09 221.2)
-
Step 800
800
#0B586C
oklch(42.8% 0.075 221.3)
-
Step 900
900 (this color)
#033B4A
oklch(32.7% 0.059 221.9)
-
Step 950
950
#0F2A33
oklch(26.8% 0.037 222.6)
#033B4A 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) | #32394B | 0.047 |
| Deuteranopia (no green cones) | #29334A | 0.041 |
| Tritanopia (no blue cones) | #004040 | 0.029 |
| Achromatopsia (no color) | #363636 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #033B4A
#033B4A
oklch(32.7% 0.059 221.9)
- #4E2A1C
#4E2A1C
oklch(32.8% 0.059 41.7)
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 #033B4A, 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 0.023
- Prussian Blue #1D3557 ΔE 0.039
- Gunmetal #293241 ΔE 0.042
- Onyx #343A40 ΔE 0.050
- Charcoal #264653 ΔE 0.051
- Space Cadet #2B2D42 ΔE 0.055
- Dark Grey Blue #29465B ΔE 0.057
Use #033B4A 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.