#137283
Closest named color: Deep Aqua (#08787F). oklch(50.9% 0.085 213.6), rgb(19, 114, 131).
Aa
White text reads best on this color (5.58:1).
About this color
#137283 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 51%, its chroma 0.085 and its hue 214°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Aqua (#08787F), ΔE 0.022 away. White text reads best on it, at 5.58:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Deep Aqua (#08787F) |
| Black text | 3.76:1 |
| White text | 5.58:1 |
Values
| HEX | #137283 |
| RGB | rgb(19, 114, 131) |
| HSL | hsl(189, 75%, 29%) |
| OKLCH | oklch(50.9% 0.085 213.6) |
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 #137283 | 5.58:1 | AA | Lc -82.8 | Fine for body text |
| Black text on #137283 | 3.76:1 | AA large text | Lc 26.6 | Dividers and decoration only |
| #137283 text on white | 5.58:1 | AA | Lc 77.5 | Fine for body text |
| #137283 text on black | 3.76:1 | AA large text | Lc -24.3 | 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 700.
-
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
#C9DDE2
oklch(88.4% 0.022 214.4)
-
Step 300
300
#A3C8D1
oklch(80.9% 0.041 214.2)
-
Step 400
400
#6FACB9
oklch(70.8% 0.066 212.6)
-
Step 500
500
#4497A8
oklch(63.2% 0.084 213.1)
-
Step 600
600
#1B8193
oklch(55.7% 0.091 212.9)
-
Step 700
700 (this color)
#137283
oklch(50.9% 0.085 213.6)
-
Step 800
800
#0F5966
oklch(42.8% 0.07 212.9)
-
Step 900
900
#174953
oklch(37.7% 0.055 213.4)
-
Step 950
950
#102B31
oklch(27.1% 0.034 214.3)
#137283 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) | #666E84 | 0.077 |
| Deuteranopia (no green cones) | #576383 | 0.070 |
| Tritanopia (no blue cones) | #007977 | 0.034 |
| Achromatopsia (no color) | #686868 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #137283
#137283
oklch(50.9% 0.085 213.6)
- #905345
#905345
oklch(51% 0.085 33.8)
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 #137283, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Aqua #08787F ΔE 0.022
- Deep Turquoise #017374 ΔE 0.027
- Sea Blue #047495 ΔE 0.028
- Ocean #017B92 ΔE 0.031
- Dark Aquamarine #017371 ΔE 0.032
- Bluegreen #017A79 ΔE 0.034
- Ocean Blue #03719C ΔE 0.042
- Dark Aqua #05696B ΔE 0.043
Use #137283 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.