#004248
Closest named color: Midnight Green (#073B4C). oklch(34.6% 0.059 205), rgb(0, 66, 72).
Aa
White text reads best on this color (11.21:1).
About this color
#004248 is a dark, muted teal or cyan. In OKLCH its lightness is 35%, its chroma 0.059 and its hue 205°. 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 11.21:1.
| Hue family | Teals and cyans |
| Lightness | dark (35%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.87:1 |
| White text | 11.21:1 |
Values
| HEX | #004248 |
| RGB | rgb(0, 66, 72) |
| HSL | hsl(185, 100%, 14%) |
| OKLCH | oklch(34.6% 0.059 205) |
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 #004248 | 11.21:1 | AAA | Lc -99.3 | Preferred for body text |
| Black text on #004248 | 1.87:1 | Fails | Lc 8.4 | Not readable |
| #004248 text on white | 11.21:1 | AAA | Lc 95.5 | Preferred for body text |
| #004248 text on black | 1.87:1 | Fails | Lc 0.0 | 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
#C7DEE1
oklch(88.4% 0.025 206.2)
-
Step 300
300
#A0C9CE
oklch(80.8% 0.044 205.5)
-
Step 400
400
#68AEB6
oklch(70.8% 0.071 205.1)
-
Step 500
500
#3799A3
oklch(63.1% 0.09 204.7)
-
Step 600
600
#00838E
oklch(55.7% 0.095 205.2)
-
Step 700
700
#006E77
oklch(49.1% 0.084 204.7)
-
Step 800
800
#005A62
oklch(42.7% 0.073 205.3)
-
Step 900
900 (this color)
#004248
oklch(34.6% 0.059 205)
-
Step 950
950
#0B2C2F
oklch(27.1% 0.038 203.6)
#004248 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) | #3B3F48 | 0.057 |
| Deuteranopia (no green cones) | #323848 | 0.053 |
| Tritanopia (no blue cones) | #004544 | 0.014 |
| Achromatopsia (no color) | #3B3B3B | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #004248
#004248
oklch(34.6% 0.059 205)
- #542D2A
#542D2A
oklch(34.7% 0.058 25.2)
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 #004248, 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 0.033
- Dark Teal #014D4E ΔE 0.037
- Charcoal #264653 ΔE 0.038
- Dark Grey Blue #29465B ΔE 0.049
- Onyx #343A40 ΔE 0.050
- Dark Blue Green #005249 ΔE 0.055
- Gunmetal #293241 ΔE 0.058
Use #004248 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.