#013837
Closest named color: Midnight Green (#073B4C). oklch(30.8% 0.052 192.8), rgb(1, 56, 55).
Aa
White text reads best on this color (12.94:1).
About this color
#013837 is a dark, muted teal or cyan. In OKLCH its lightness is 31%, its chroma 0.052 and its hue 193°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight Green (#073B4C), ΔE 0.038 away. White text reads best on it, at 12.94:1.
| Hue family | Teals and cyans |
| Lightness | dark (31%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Midnight Green (#073B4C) |
| Black text | 1.62:1 |
| White text | 12.94:1 |
Values
| HEX | #013837 |
| RGB | rgb(1, 56, 55) |
| HSL | hsl(179, 96%, 11%) |
| OKLCH | oklch(30.8% 0.052 192.8) |
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 #013837 | 12.94:1 | AAA | Lc -102.1 | Preferred for body text |
| Black text on #013837 | 1.62:1 | Fails | Lc 0.0 | Not readable |
| #013837 text on white | 12.94:1 | AAA | Lc 98.8 | Preferred for body text |
| #013837 text on black | 1.62:1 | 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
#F0F7F7
oklch(97.1% 0.007 197)
-
Step 100
100
#DDEEED
oklch(93.6% 0.018 192.6)
-
Step 200
200
#C0E1DF
oklch(88.5% 0.035 192)
-
Step 300
300
#91CECB
oklch(80.9% 0.062 192.1)
-
Step 400
400
#46B4B1
oklch(70.7% 0.099 192.6)
-
Step 500
500
#009E9B
oklch(63.2% 0.108 192.4)
-
Step 600
600
#008482
oklch(55.5% 0.095 192.9)
-
Step 700
700
#006F6E
oklch(49% 0.084 193.7)
-
Step 800
800
#005B5A
oklch(42.6% 0.073 193.5)
-
Step 900
900
#004C4B
oklch(37.7% 0.064 193.2)
-
Step 950
950 (this color)
#013837
oklch(30.8% 0.052 192.8)
#013837 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) | #343437 | 0.056 |
| Deuteranopia (no green cones) | #2C2F37 | 0.051 |
| Tritanopia (no blue cones) | #003A38 | 0.007 |
| Achromatopsia (no color) | #313131 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #013837
#013837
oklch(30.8% 0.052 192.8)
- #472428
#472428
oklch(30.9% 0.053 13.4)
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 #013837, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight Green #073B4C ΔE 0.038
- Dark Blue Grey #1F3B4D ΔE 0.049
- Gunmetal #293241 ΔE 0.050
- Pakistan Green #283618 ΔE 0.055
- Onyx #343A40 ΔE 0.059
- Space Cadet #2B2D42 ΔE 0.063
- Evergreen #05472A ΔE 0.065
- Jet #212529 ΔE 0.066
Use #013837 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.