#03424B
Closest named color: Midnight Green (#073B4C). oklch(34.8% 0.059 210.4), rgb(3, 66, 75).
Aa
White text reads best on this color (11.14:1).
About this color
#03424B is a dark, muted teal or cyan. In OKLCH its lightness is 35%, its chroma 0.059 and its hue 210°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.025 away. White text reads best on it, at 11.14:1.
| Hue family | Teals and cyans |
| Lightness | dark (35%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.88:1 |
| White text | 11.14:1 |
Values
| HEX | #03424B |
| RGB | rgb(3, 66, 75) |
| HSL | hsl(188, 92%, 15%) |
| OKLCH | oklch(34.8% 0.059 210.4) |
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 #03424B | 11.14:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #03424B | 1.88:1 | Fails | Lc 8.6 | Not readable |
| #03424B text on white | 11.14:1 | AAA | Lc 95.4 | Preferred for body text |
| #03424B text on black | 1.88:1 | Fails | Lc -7.3 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#E1ECEF
oklch(93.6% 0.012 215.8)
-
Step 200
200
#C8DEE2
oklch(88.5% 0.024 209.8)
-
Step 300
300
#A0C9D1
oklch(80.9% 0.045 210.8)
-
Step 400
400
#6AADB9
oklch(70.7% 0.07 210.1)
-
Step 500
500
#3998A8
oklch(63.1% 0.09 210.6)
-
Step 600
600
#008293
oklch(55.6% 0.096 210.7)
-
Step 700
700
#006D7B
oklch(49% 0.085 210.2)
-
Step 800
800
#005A65
oklch(42.8% 0.074 209.1)
-
Step 900
900 (this color)
#03424B
oklch(34.8% 0.059 210.4)
-
Step 950
950
#0C2B31
oklch(26.9% 0.038 212.5)
#03424B 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) | #3B3F4C | 0.056 |
| Deuteranopia (no green cones) | #31394B | 0.049 |
| Tritanopia (no blue cones) | #004645 | 0.020 |
| Achromatopsia (no color) | #3B3B3B | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #03424B
#03424B
oklch(34.8% 0.059 210.4)
- #552E27
#552E27
oklch(34.9% 0.059 31.1)
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 #03424B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.025
- Dark Blue Grey #1F3B4D ΔE 0.030
- Charcoal #264653 ΔE 0.034
- Dark Teal #014D4E ΔE 0.037
- Dark Grey Blue #29465B ΔE 0.045
- Onyx #343A40 ΔE 0.049
- Prussian Blue #1D3557 ΔE 0.055
- Gunmetal #293241 ΔE 0.056
Use #03424B 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.