#03434E
Closest named color: Midnight Green (#073B4C). oklch(35.2% 0.06 213.4), rgb(3, 67, 78).
Aa
White text reads best on this color (10.95:1).
About this color
#03434E is a dark, muted teal or cyan. In OKLCH its lightness is 35%, its chroma 0.060 and its hue 213°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.027 away. White text reads best on it, at 10.95:1.
| Hue family | Teals and cyans |
| Lightness | dark (35%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.91:1 |
| White text | 10.95:1 |
Values
| HEX | #03434E |
| RGB | rgb(3, 67, 78) |
| HSL | hsl(189, 93%, 16%) |
| OKLCH | oklch(35.2% 0.06 213.4) |
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 #03434E | 10.95:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #03434E | 1.91:1 | Fails | Lc 9.0 | Not readable |
| #03434E text on white | 10.95:1 | AAA | Lc 95.0 | Preferred for body text |
| #03434E text on black | 1.91:1 | Fails | Lc -7.7 | 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
#C7DEE3
oklch(88.5% 0.025 212.2)
-
Step 300
300
#A0C9D2
oklch(80.9% 0.045 212.6)
-
Step 400
400
#68ADBC
oklch(70.7% 0.073 213.1)
-
Step 500
500
#3798AB
oklch(63.1% 0.093 213.1)
-
Step 600
600
#008295
oklch(55.7% 0.097 212.5)
-
Step 700
700
#006D7E
oklch(49.1% 0.086 213.3)
-
Step 800
800
#005968
oklch(42.7% 0.075 214.2)
-
Step 900
900 (this color)
#03434E
oklch(35.2% 0.06 213.4)
-
Step 950
950
#0C2B32
oklch(27% 0.038 215.2)
#03434E 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) | #3B404F | 0.055 |
| Deuteranopia (no green cones) | #313A4E | 0.048 |
| Tritanopia (no blue cones) | #004746 | 0.023 |
| Achromatopsia (no color) | #3C3C3C | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #03434E
#03434E
oklch(35.2% 0.06 213.4)
- #562F26
#562F26
oklch(35.3% 0.06 33.9)
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 #03434E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.027
- Dark Blue Grey #1F3B4D ΔE 0.030
- Charcoal #264653 ΔE 0.031
- Dark Teal #014D4E ΔE 0.034
- Dark Grey Blue #29465B ΔE 0.040
- Onyx #343A40 ΔE 0.051
- Prussian Blue #1D3557 ΔE 0.054
- Dark Blue Green #005249 ΔE 0.055
Use #03434E 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.