#133238
Closest named color: Gunmetal (#293241). oklch(29.7% 0.038 212), rgb(19, 50, 56).
Aa
White text reads best on this color (13.62:1).
About this color
#133238 is a dark, muted teal or cyan. In OKLCH its lightness is 30%, its chroma 0.038 and its hue 212°. Its hue sits on the cool side of the wheel. The nearest named color is Gunmetal (#293241), ΔE 0.034 away. White text reads best on it, at 13.62:1.
| Hue family | Teals and cyans |
| Lightness | dark (30%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Gunmetal (#293241) |
| Black text | 1.54:1 |
| White text | 13.62:1 |
Values
| HEX | #133238 |
| RGB | rgb(19, 50, 56) |
| HSL | hsl(190, 49%, 15%) |
| OKLCH | oklch(29.7% 0.038 212) |
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 #133238 | 13.62:1 | AAA | Lc -103.2 | Preferred for body text |
| Black text on #133238 | 1.54:1 | Fails | Lc 0.0 | Not readable |
| #133238 text on white | 13.62:1 | AAA | Lc 100.0 | Preferred for body text |
| #133238 text on black | 1.54:1 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#E1ECEF
oklch(93.6% 0.012 215.8)
-
Step 200
200
#C7DEE3
oklch(88.5% 0.025 212.2)
-
Step 300
300
#A0C9D2
oklch(80.9% 0.045 212.6)
-
Step 400
400
#69ADBB
oklch(70.8% 0.072 212.2)
-
Step 500
500
#3798AA
oklch(63.1% 0.092 212.3)
-
Step 600
600
#008294
oklch(55.7% 0.097 211.6)
-
Step 700
700
#006D7D
oklch(49.1% 0.086 212.3)
-
Step 800
800
#005967
oklch(42.6% 0.075 213)
-
Step 900
900
#0E4A54
oklch(37.8% 0.06 211.6)
-
Step 950
950 (this color)
#133238
oklch(29.7% 0.038 212)
#133238 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) | #2D3038 | 0.035 |
| Deuteranopia (no green cones) | #282C38 | 0.033 |
| Tritanopia (no blue cones) | #003534 | 0.020 |
| Achromatopsia (no color) | #2E2E2E | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #133238
#133238
oklch(29.7% 0.038 212)
- #3E2621
#3E2621
oklch(29.7% 0.038 32.3)
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 #133238, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gunmetal #293241 ΔE 0.034
- Midnight Green #073B4C ΔE 0.040
- Space Cadet #2B2D42 ΔE 0.043
- Oxford Blue #1B263B ΔE 0.044
- Jet #212529 ΔE 0.046
- Dark Blue Grey #1F3B4D ΔE 0.047
- Dark #1B2431 ΔE 0.047
- Onyx #343A40 ΔE 0.056
Use #133238 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.