#133F2F
Closest named color: Evergreen (#05472A). oklch(33.2% 0.056 165.7), rgb(19, 63, 47).
Aa
White text reads best on this color (11.79:1).
About this color
#133F2F is a dark, muted green. In OKLCH its lightness is 33%, its chroma 0.056 and its hue 166°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Evergreen (#05472A), ΔE 0.032 away. White text reads best on it, at 11.79:1.
| Hue family | Greens |
| Lightness | dark (33%) |
| Chroma | muted (0.056) |
| Temperature | in between |
| Nearest name | Evergreen (#05472A) |
| Black text | 1.77:1 |
| White text | 11.79:1 |
Values
| HEX | #133F2F |
| RGB | rgb(19, 63, 47) |
| HSL | hsl(158, 54%, 16%) |
| OKLCH | oklch(33.2% 0.056 165.7) |
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 #133F2F | 11.79:1 | AAA | Lc -100.5 | Preferred for body text |
| Black text on #133F2F | 1.77:1 | Fails | Lc 0.0 | Not readable |
| #133F2F text on white | 11.79:1 | AAA | Lc 96.9 | Preferred for body text |
| #133F2F text on black | 1.77:1 | 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
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3EDE8
oklch(93.7% 0.013 164.8)
-
Step 200
200
#CCDED5
oklch(88.5% 0.023 164.5)
-
Step 300
300
#A8CABA
oklch(81% 0.043 165.2)
-
Step 400
400
#78AE97
oklch(70.6% 0.066 166.1)
-
Step 500
500
#519A7D
oklch(63% 0.086 165.8)
-
Step 600
600
#318566
oklch(55.7% 0.095 165.4)
-
Step 700
700
#237055
oklch(49.1% 0.087 165.9)
-
Step 800
800
#1F5B46
oklch(42.6% 0.071 166.6)
-
Step 900
900 (this color)
#133F2F
oklch(33.2% 0.056 165.7)
-
Step 950
950
#142C22
oklch(27% 0.036 165)
#133F2F 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) | #3E3A2E | 0.057 |
| Deuteranopia (no green cones) | #373630 | 0.053 |
| Tritanopia (no blue cones) | #003F3B | 0.022 |
| Achromatopsia (no color) | #383838 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #133F2F
#133F2F
oklch(33.2% 0.056 165.7)
- #4B2A3C
#4B2A3C
oklch(33.4% 0.056 346.7)
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 #133F2F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Evergreen #05472A ΔE 0.032
- Pakistan Green #283618 ΔE 0.040
- Pine Green #0A481E ΔE 0.047
- Hunter Green #0B4008 ΔE 0.054
- Onyx #343A40 ΔE 0.058
- Midnight Green #073B4C ΔE 0.058
- Forrest Green #154406 ΔE 0.058
- Dark Teal #014D4E ΔE 0.059
Use #133F2F 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.