#133631
Closest named color: Pakistan Green (#283618). oklch(30.5% 0.041 182.8), rgb(19, 54, 49).
Aa
White text reads best on this color (13.12:1).
About this color
#133631 is a dark, muted teal or cyan. In OKLCH its lightness is 31%, its chroma 0.041 and its hue 183°. Its hue sits on the cool side of the wheel. The nearest named color is Pakistan Green (#283618), ΔE 0.044 away. White text reads best on it, at 13.12:1.
| Hue family | Teals and cyans |
| Lightness | dark (31%) |
| Chroma | muted (0.041) |
| Temperature | cool |
| Nearest name | Pakistan Green (#283618) |
| Black text | 1.59:1 |
| White text | 13.12:1 |
Values
| HEX | #133631 |
| RGB | rgb(19, 54, 49) |
| HSL | hsl(171, 48%, 14%) |
| OKLCH | oklch(30.5% 0.041 182.8) |
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 #133631 | 13.12:1 | AAA | Lc -102.5 | Preferred for body text |
| Black text on #133631 | 1.59:1 | Fails | Lc 0.0 | Not readable |
| #133631 text on white | 13.12:1 | AAA | Lc 99.3 | Preferred for body text |
| #133631 text on black | 1.59:1 | 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
#F1F7F6
oklch(97.1% 0.006 185.3)
-
Step 100
100
#E0EDEB
oklch(93.6% 0.014 185.9)
-
Step 200
200
#C6DFDB
oklch(88.4% 0.027 185.1)
-
Step 300
300
#9ECBC3
oklch(80.8% 0.049 183)
-
Step 400
400
#64B1A5
oklch(70.7% 0.079 182.8)
-
Step 500
500
#2D9D8F
oklch(63.1% 0.1 182.9)
-
Step 600
600
#008678
oklch(55.6% 0.1 182.2)
-
Step 700
700
#007165
oklch(49.2% 0.088 182.2)
-
Step 800
800
#005C53
oklch(42.6% 0.076 183.4)
-
Step 900
900
#044D45
oklch(37.8% 0.066 182.9)
-
Step 950
950 (this color)
#133631
oklch(30.5% 0.041 182.8)
#133631 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) | #333331 | 0.043 |
| Deuteranopia (no green cones) | #2E2F31 | 0.041 |
| Tritanopia (no blue cones) | #003734 | 0.012 |
| Achromatopsia (no color) | #303030 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #133631
#133631
oklch(30.5% 0.041 182.8)
- #41262D
#41262D
oklch(30.5% 0.042 3)
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 #133631, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pakistan Green #283618 ΔE 0.044
- Midnight Green #073B4C ΔE 0.047
- Gunmetal #293241 ΔE 0.047
- Dark Blue Grey #1F3B4D ΔE 0.053
- Onyx #343A40 ΔE 0.055
- Jet #212529 ΔE 0.058
- Space Cadet #2B2D42 ΔE 0.059
- Dark #1B2431 ΔE 0.064
Use #133631 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.