#00424E
Closest named color: Midnight Green (#073B4C). oklch(34.9% 0.062 214.7), rgb(0, 66, 78).
Aa
White text reads best on this color (11.11:1).
About this color
#00424E is a dark, muted teal or cyan. In OKLCH its lightness is 35%, its chroma 0.062 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.023 away. White text reads best on it, at 11.11:1.
| Hue family | Teals and cyans |
| Lightness | dark (35%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.88:1 |
| White text | 11.11:1 |
Values
| HEX | #00424E |
| RGB | rgb(0, 66, 78) |
| HSL | hsl(189, 100%, 15%) |
| OKLCH | oklch(34.9% 0.062 214.7) |
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 #00424E | 11.11:1 | AAA | Lc -99.1 | Preferred for body text |
| Black text on #00424E | 1.88:1 | Fails | Lc 8.7 | Not readable |
| #00424E text on white | 11.11:1 | AAA | Lc 95.2 | Preferred for body text |
| #00424E text on black | 1.88:1 | Fails | Lc -7.4 | 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
#E0ECEF
oklch(93.5% 0.013 214.4)
-
Step 200
200
#C7DEE4
oklch(88.5% 0.026 215.2)
-
Step 300
300
#9FC9D3
oklch(80.9% 0.046 213.9)
-
Step 400
400
#67ADBD
oklch(70.7% 0.074 214)
-
Step 500
500
#3598AD
oklch(63.2% 0.094 214.7)
-
Step 600
600
#008197
oklch(55.5% 0.098 215.2)
-
Step 700
700
#006D7F
oklch(49.2% 0.087 214.3)
-
Step 800
800
#005968
oklch(42.7% 0.075 214.2)
-
Step 900
900 (this color)
#00424E
oklch(34.9% 0.062 214.7)
-
Step 950
950
#0B2B32
oklch(26.9% 0.039 214.8)
#00424E 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) | #3A3F4F | 0.056 |
| Deuteranopia (no green cones) | #30394E | 0.048 |
| Tritanopia (no blue cones) | #004646 | 0.023 |
| Achromatopsia (no color) | #3C3C3C | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #00424E
#00424E
oklch(34.9% 0.062 214.7)
- #562E24
#562E24
oklch(35% 0.062 34.9)
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 #00424E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.023
- Dark Blue Grey #1F3B4D ΔE 0.028
- Charcoal #264653 ΔE 0.034
- Dark Teal #014D4E ΔE 0.038
- Dark Grey Blue #29465B ΔE 0.043
- Onyx #343A40 ΔE 0.051
- Prussian Blue #1D3557 ΔE 0.052
- Gunmetal #293241 ΔE 0.057
Use #00424E 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.