#15788A
Closest named color: Ocean (#017B92). oklch(52.8% 0.088 213.8), rgb(21, 120, 138).
Aa
White text reads best on this color (5.14:1).
About this color
#15788A is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 53%, its chroma 0.088 and its hue 214°. Its hue sits on the cool side of the wheel. The nearest named color is Ocean (#017B92), ΔE 0.013 away. White text reads best on it, at 5.14:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (53%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Ocean (#017B92) |
| Black text | 4.08:1 |
| White text | 5.14:1 |
Values
| HEX | #15788A |
| RGB | rgb(21, 120, 138) |
| HSL | hsl(189, 74%, 31%) |
| OKLCH | oklch(52.8% 0.088 213.8) |
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 #15788A | 5.14:1 | AA | Lc -80.4 | Fine for body text |
| Black text on #15788A | 4.08:1 | AA large text | Lc 29.1 | Dividers and decoration only |
| #15788A text on white | 5.14:1 | AA | Lc 75.0 | Fine for body text |
| #15788A text on black | 4.08:1 | AA large text | Lc -26.7 | 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
#E2ECEE
oklch(93.6% 0.011 211)
-
Step 200
200
#CADDE2
oklch(88.5% 0.022 215.3)
-
Step 300
300
#A4C8D0
oklch(80.9% 0.04 212.7)
-
Step 400
400
#71ABB9
oklch(70.6% 0.064 214.6)
-
Step 500
500
#4896A7
oklch(63.1% 0.08 213.9)
-
Step 600
600 (this color)
#15788A
oklch(52.8% 0.088 213.8)
-
Step 700
700
#126C7D
oklch(49% 0.082 214.5)
-
Step 800
800
#145865
oklch(42.6% 0.067 213.7)
-
Step 900
900
#1A4953
oklch(37.8% 0.053 214.1)
-
Step 950
950
#112B30
oklch(27.1% 0.033 211.7)
#15788A 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) | #6B748B | 0.079 |
| Deuteranopia (no green cones) | #5C698A | 0.071 |
| Tritanopia (no blue cones) | #007F7E | 0.034 |
| Achromatopsia (no color) | #6D6D6D | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #15788A
#15788A
oklch(52.8% 0.088 213.8)
- #975849
#975849
oklch(52.9% 0.087 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 #15788A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Ocean #017B92 ΔE 0.013
- Deep Aqua #08787F ΔE 0.019
- Sea Blue #047495 ΔE 0.025
- Bluegreen #017A79 ΔE 0.031
- Teal #008080 ΔE 0.034
- Deep Turquoise #017374 ΔE 0.037
- Ocean Blue #03719C ΔE 0.041
- Dark Aquamarine #017371 ΔE 0.041
Use #15788A 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.