#137C90
Closest named color: Ocean (#017B92). oklch(54.1% 0.091 215), rgb(19, 124, 144).
Aa
White text reads best on this color (4.86:1).
About this color
#137C90 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 54%, its chroma 0.091 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean (#017B92), ΔE 0.007 away. White text reads best on it, at 4.86:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Ocean (#017B92) |
| Black text | 4.31:1 |
| White text | 4.86:1 |
Values
| HEX | #137C90 |
| RGB | rgb(19, 124, 144) |
| HSL | hsl(190, 77%, 32%) |
| OKLCH | oklch(54.1% 0.091 215) |
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 #137C90 | 4.86:1 | AA | Lc -78.7 | Fine for body text |
| Black text on #137C90 | 4.31:1 | AA large text | Lc 30.8 | Non-text elements, placeholder text |
| #137C90 text on white | 4.86:1 | AA | Lc 73.3 | Content text, not long reading |
| #137C90 text on black | 4.31:1 | AA large text | Lc -28.4 | Dividers and decoration only |
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 600.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E1ECEF
oklch(93.6% 0.012 215.8)
-
Step 200
200
#C9DDE3
oklch(88.4% 0.023 217.7)
-
Step 300
300
#A3C8D1
oklch(80.9% 0.041 214.2)
-
Step 400
400
#6FABBA
oklch(70.6% 0.066 215.3)
-
Step 500
500
#4496A9
oklch(63% 0.084 215.3)
-
Step 600
600 (this color)
#137C90
oklch(54.1% 0.091 215)
-
Step 700
700
#076C7F
oklch(49% 0.085 215.8)
-
Step 800
800
#0F5867
oklch(42.6% 0.07 215.7)
-
Step 900
900
#174954
oklch(37.7% 0.055 215.1)
-
Step 950
950
#102B31
oklch(27.1% 0.034 214.3)
#137C90 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) | #6E7891 | 0.081 |
| Deuteranopia (no green cones) | #5E6C90 | 0.073 |
| Tritanopia (no blue cones) | #008382 | 0.036 |
| Achromatopsia (no color) | #717171 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #137C90
#137C90
oklch(54.1% 0.091 215)
- #9D5A4A
#9D5A4A
oklch(54.1% 0.092 34.3)
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 #137C90, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean #017B92 ΔE 0.007
- Deep Aqua #08787F ΔE 0.028
- Sea Blue #047495 ΔE 0.029
- Teal #008080 ΔE 0.032
- Bluegreen #017A79 ΔE 0.037
- Teal Blue #01889F ΔE 0.037
- Cerulean #457B9D ΔE 0.041
- Ocean Blue #03719C ΔE 0.044
Use #137C90 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.