#004253
Closest named color: Midnight Green (#073B4C). oklch(35.1% 0.065 222), rgb(0, 66, 83).
Aa
White text reads best on this color (11.02:1).
About this color
#004253 is a dark, muted teal or cyan. In OKLCH its lightness is 35%, its chroma 0.065 and its hue 222°. 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 11.02:1.
| Hue family | Teals and cyans |
| Lightness | dark (35%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.90:1 |
| White text | 11.02:1 |
Values
| HEX | #004253 |
| RGB | rgb(0, 66, 83) |
| HSL | hsl(192, 100%, 16%) |
| OKLCH | oklch(35.1% 0.065 222) |
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 #004253 | 11.02:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #004253 | 1.90:1 | Fails | Lc 8.9 | Not readable |
| #004253 text on white | 11.02:1 | AAA | Lc 95.1 | Preferred for body text |
| #004253 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E0ECF1
oklch(93.6% 0.015 224.5)
-
Step 200
200
#C7DEE6
oklch(88.6% 0.027 220.7)
-
Step 300
300
#9FC8D7
oklch(80.8% 0.048 222.2)
-
Step 400
400
#67ACC3
oklch(70.7% 0.077 221.4)
-
Step 500
500
#3497B4
oklch(63.2% 0.099 221.3)
-
Step 600
600
#00809E
oklch(55.6% 0.103 221.9)
-
Step 700
700
#006C85
oklch(49.2% 0.09 221.2)
-
Step 800
800
#00586E
oklch(42.7% 0.079 222.3)
-
Step 900
900 (this color)
#004253
oklch(35.1% 0.065 222)
-
Step 950
950
#0B2B35
oklch(27.1% 0.041 222.2)
#004253 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) | #384054 | 0.052 |
| Deuteranopia (no green cones) | #2E3953 | 0.046 |
| Tritanopia (no blue cones) | #004748 | 0.030 |
| Achromatopsia (no color) | #3C3C3C | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #004253
#004253
oklch(35.1% 0.065 222)
- #572E1E
#572E1E
oklch(35.1% 0.066 41.7)
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 #004253, 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 0.027
- Charcoal #264653 ΔE 0.032
- Dark Grey Blue #29465B ΔE 0.038
- Dark Teal #014D4E ΔE 0.041
- Prussian Blue #1D3557 ΔE 0.047
- Onyx #343A40 ΔE 0.054
- Marine Blue #01386A ΔE 0.057
Use #004253 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.