#04434B
Closest named color: Midnight Green (#073B4C). oklch(35.1% 0.059 208.6), rgb(4, 67, 75).
Aa
White text reads best on this color (10.99:1).
About this color
#04434B is a dark, muted teal or cyan. In OKLCH its lightness is 35%, its chroma 0.059 and its hue 209°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.028 away. White text reads best on it, at 10.99:1.
| Hue family | Teals and cyans |
| Lightness | dark (35%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.90:1 |
| White text | 10.99:1 |
Values
| HEX | #04434B |
| RGB | rgb(4, 67, 75) |
| HSL | hsl(187, 90%, 15%) |
| OKLCH | oklch(35.1% 0.059 208.6) |
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 #04434B | 10.99:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #04434B | 1.90:1 | Fails | Lc 8.8 | Not readable |
| #04434B text on white | 10.99:1 | AAA | Lc 95.1 | Preferred for body text |
| #04434B text on black | 1.90:1 | Fails | Lc -7.6 | 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
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E1ECEE
oklch(93.5% 0.012 209.8)
-
Step 200
200
#C8DEE2
oklch(88.5% 0.024 209.8)
-
Step 300
300
#A0C9D0
oklch(80.9% 0.044 209.1)
-
Step 400
400
#69ADB8
oklch(70.7% 0.071 208.8)
-
Step 500
500
#3998A6
oklch(63% 0.09 208.8)
-
Step 600
600
#008291
oklch(55.5% 0.096 208.9)
-
Step 700
700
#006E7A
oklch(49.2% 0.085 207.9)
-
Step 800
800
#005A64
oklch(42.8% 0.073 207.9)
-
Step 900
900 (this color)
#04434B
oklch(35.1% 0.059 208.6)
-
Step 950
950
#0C2B30
oklch(26.9% 0.037 209.8)
#04434B 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) | #3C404C | 0.056 |
| Deuteranopia (no green cones) | #33394B | 0.052 |
| Tritanopia (no blue cones) | #004745 | 0.020 |
| Achromatopsia (no color) | #3C3C3C | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #04434B
#04434B
oklch(35.1% 0.059 208.6)
- #552E29
#552E29
oklch(35% 0.058 28.2)
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 #04434B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.028
- Dark Blue Grey #1F3B4D ΔE 0.032
- Charcoal #264653 ΔE 0.032
- Dark Teal #014D4E ΔE 0.033
- Dark Grey Blue #29465B ΔE 0.043
- Onyx #343A40 ΔE 0.049
- Dark Blue Green #005249 ΔE 0.053
- Charcoal Grey #3C4142 ΔE 0.055
Use #04434B 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.