#133B33
Closest named color: Pakistan Green (#283618). oklch(32.1% 0.047 177.8), rgb(19, 59, 51).
Aa
White text reads best on this color (12.34:1).
About this color
#133B33 is a dark, muted teal or cyan. In OKLCH its lightness is 32%, its chroma 0.047 and its hue 178°. Its hue sits on the cool side of the wheel. The nearest named color is Pakistan Green (#283618), ΔE 0.042 away. White text reads best on it, at 12.34:1.
| Hue family | Teals and cyans |
| Lightness | dark (32%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Pakistan Green (#283618) |
| Black text | 1.70:1 |
| White text | 12.34:1 |
Values
| HEX | #133B33 |
| RGB | rgb(19, 59, 51) |
| HSL | hsl(168, 51%, 15%) |
| OKLCH | oklch(32.1% 0.047 177.8) |
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 #133B33 | 12.34:1 | AAA | Lc -101.4 | Preferred for body text |
| Black text on #133B33 | 1.70:1 | Fails | Lc 0.0 | Not readable |
| #133B33 text on white | 12.34:1 | AAA | Lc 97.9 | Preferred for body text |
| #133B33 text on black | 1.70:1 | 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
#F0F7F5
oklch(97% 0.008 177.3)
-
Step 100
100
#DFEEEA
oklch(93.7% 0.017 178.3)
-
Step 200
200
#C5E0D9
oklch(88.5% 0.03 178.3)
-
Step 300
300
#9ACDC0
oklch(80.9% 0.056 177.4)
-
Step 400
400
#5CB3A0
oklch(70.7% 0.089 177.5)
-
Step 500
500
#0F9F89
oklch(63% 0.114 178)
-
Step 600
600
#008673
oklch(55.5% 0.102 178.1)
-
Step 700
700
#007160
oklch(49.1% 0.091 177.4)
-
Step 800
800
#005D4F
oklch(42.8% 0.079 177.8)
-
Step 900
900
#004D41
oklch(37.6% 0.069 177.7)
-
Step 950
950 (this color)
#133B33
oklch(32.1% 0.047 177.8)
#133B33 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) | #393733 | 0.051 |
| Deuteranopia (no green cones) | #323334 | 0.046 |
| Tritanopia (no blue cones) | #003C39 | 0.013 |
| Achromatopsia (no color) | #353535 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #133B33
#133B33
oklch(32.1% 0.047 177.8)
- #472933
#472933
oklch(32.2% 0.047 358.6)
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 #133B33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pakistan Green #283618 ΔE 0.042
- Midnight Green #073B4C ΔE 0.045
- Evergreen #05472A ΔE 0.049
- Dark Blue Grey #1F3B4D ΔE 0.050
- Onyx #343A40 ΔE 0.050
- Gunmetal #293241 ΔE 0.053
- Pine Green #0A481E ΔE 0.065
- Charcoal Grey #3C4142 ΔE 0.065
Use #133B33 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.