#003A38
Closest named color: Midnight Green (#073B4C). oklch(31.5% 0.054 191), rgb(0, 58, 56).
Aa
White text reads best on this color (12.63:1).
About this color
#003A38 is a dark, muted teal or cyan. In OKLCH its lightness is 31%, its chroma 0.054 and its hue 191°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.037 away. White text reads best on it, at 12.63:1.
| Hue family | Teals and cyans |
| Lightness | dark (31%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.66:1 |
| White text | 12.63:1 |
Values
| HEX | #003A38 |
| RGB | rgb(0, 58, 56) |
| HSL | hsl(178, 100%, 11%) |
| OKLCH | oklch(31.5% 0.054 191) |
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 #003A38 | 12.63:1 | AAA | Lc -101.7 | Preferred for body text |
| Black text on #003A38 | 1.66:1 | Fails | Lc 0.0 | Not readable |
| #003A38 text on white | 12.63:1 | AAA | Lc 98.2 | Preferred for body text |
| #003A38 text on black | 1.66:1 | 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 950.
-
Step 50
50
#EFF7F7
oklch(97% 0.008 197)
-
Step 100
100
#DDEEED
oklch(93.6% 0.018 192.6)
-
Step 200
200
#BFE1DF
oklch(88.5% 0.036 192.2)
-
Step 300
300
#90CECA
oklch(80.8% 0.064 190.9)
-
Step 400
400
#41B5B0
oklch(70.8% 0.103 191)
-
Step 500
500
#009E99
oklch(63.1% 0.109 190.8)
-
Step 600
600
#008581
oklch(55.7% 0.096 191.1)
-
Step 700
700
#00706C
oklch(49.2% 0.085 190.4)
-
Step 800
800
#005B59
oklch(42.6% 0.073 192.2)
-
Step 900
900
#004C4A
oklch(37.6% 0.065 191.7)
-
Step 950
950 (this color)
#003A38
oklch(31.5% 0.054 191)
#003A38 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) | #363638 | 0.058 |
| Deuteranopia (no green cones) | #2E3138 | 0.053 |
| Tritanopia (no blue cones) | #003C39 | 0.007 |
| Achromatopsia (no color) | #333333 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #003A38
#003A38
oklch(31.5% 0.054 191)
- #49252B
#49252B
oklch(31.5% 0.055 10.1)
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 #003A38, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.037
- Dark Blue Grey #1F3B4D ΔE 0.048
- Gunmetal #293241 ΔE 0.052
- Pakistan Green #283618 ΔE 0.055
- Onyx #343A40 ΔE 0.057
- Evergreen #05472A ΔE 0.059
- Space Cadet #2B2D42 ΔE 0.066
- Dark Teal #014D4E ΔE 0.067
Use #003A38 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.