#043B44
Closest named color: Midnight Green (#073B4C). oklch(32.4% 0.054 212), rgb(4, 59, 68).
Aa
White text reads best on this color (12.25:1).
About this color
#043B44 is a dark, muted teal or cyan. In OKLCH its lightness is 32%, its chroma 0.054 and its hue 212°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.015 away. White text reads best on it, at 12.25:1.
| Hue family | Teals and cyans |
| Lightness | dark (32%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.71:1 |
| White text | 12.25:1 |
Values
| HEX | #043B44 |
| RGB | rgb(4, 59, 68) |
| HSL | hsl(188, 89%, 14%) |
| OKLCH | oklch(32.4% 0.054 212) |
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 #043B44 | 12.25:1 | AAA | Lc -101.1 | Preferred for body text |
| Black text on #043B44 | 1.71:1 | Fails | Lc 0.0 | Not readable |
| #043B44 text on white | 12.25:1 | AAA | Lc 97.6 | Preferred for body text |
| #043B44 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E1ECEE
oklch(93.5% 0.012 209.8)
-
Step 200
200
#C9DDE2
oklch(88.4% 0.022 214.4)
-
Step 300
300
#A3C8D0
oklch(80.9% 0.041 212.3)
-
Step 400
400
#6FACB8
oklch(70.7% 0.065 211.4)
-
Step 500
500
#4497A7
oklch(63.2% 0.083 212.1)
-
Step 600
600
#1A8192
oklch(55.6% 0.091 211.9)
-
Step 700
700
#066D7C
oklch(49.1% 0.084 211.5)
-
Step 800
800
#0E5965
oklch(42.7% 0.07 211.5)
-
Step 900
900 (this color)
#043B44
oklch(32.4% 0.054 212)
-
Step 950
950
#102B30
oklch(27% 0.034 211.3)
#043B44 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) | #343945 | 0.050 |
| Deuteranopia (no green cones) | #2C3244 | 0.047 |
| Tritanopia (no blue cones) | #003F3E | 0.020 |
| Achromatopsia (no color) | #353535 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #043B44
#043B44
oklch(32.4% 0.054 212)
- #4C2922
#4C2922
oklch(32.5% 0.054 32.2)
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 #043B44, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.015
- Dark Blue Grey #1F3B4D ΔE 0.028
- Gunmetal #293241 ΔE 0.042
- Prussian Blue #1D3557 ΔE 0.049
- Onyx #343A40 ΔE 0.049
- Charcoal #264653 ΔE 0.054
- Space Cadet #2B2D42 ΔE 0.057
- Dark Teal #014D4E ΔE 0.060
Use #043B44 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.