#15607C
Closest named color: Petrol (#005F6A). oklch(45.9% 0.082 228.6), rgb(21, 96, 124).
Aa
White text reads best on this color (7.00:1).
About this color
#15607C is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 46%, its chroma 0.082 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.032 away. White text reads best on it, at 7.00:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.99:1 |
| White text | 7.00:1 |
Values
| HEX | #15607C |
| RGB | rgb(21, 96, 124) |
| HSL | hsl(196, 71%, 28%) |
| OKLCH | oklch(45.9% 0.082 228.6) |
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 #15607C | 7.00:1 | AAA | Lc -88.9 | Fine for body text |
| Black text on #15607C | 2.99:1 | Fails | Lc 20.1 | Dividers and decoration only |
| #15607C text on white | 7.00:1 | AAA | Lc 83.9 | Fine for body text |
| #15607C text on black | 2.99:1 | Fails | Lc -18.0 | 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 800.
-
Step 50
50
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF1
oklch(93.6% 0.014 226.6)
-
Step 200
200
#C8DDE7
oklch(88.5% 0.026 227.9)
-
Step 300
300
#A1C7DA
oklch(80.8% 0.049 229.7)
-
Step 400
400
#6BAAC7
oklch(70.6% 0.077 229)
-
Step 500
500
#3D95B9
oklch(63.2% 0.099 228.5)
-
Step 600
600
#0A7EA5
oklch(55.5% 0.107 229.2)
-
Step 700
700
#006A8C
oklch(49% 0.097 229.1)
-
Step 800
800 (this color)
#15607C
oklch(45.9% 0.082 228.6)
-
Step 900
900
#13485D
oklch(37.8% 0.065 228.9)
-
Step 950
950
#0E2A36
oklch(27% 0.04 229.1)
#15607C 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) | #515E7D | 0.058 |
| Deuteranopia (no green cones) | #44557C | 0.050 |
| Tritanopia (no blue cones) | #006869 | 0.047 |
| Achromatopsia (no color) | #595959 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #15607C
#15607C
oklch(45.9% 0.082 228.6)
- #7C492C
#7C492C
oklch(45.9% 0.082 49.3)
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 #15607C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.032
- Light Navy Blue #2E5A88 ΔE 0.035
- YInMn Blue #415A77 ΔE 0.038
- Peacock Blue #016795 ΔE 0.041
- Denim #3B638C ΔE 0.043
- Deep Sea Blue #015482 ΔE 0.043
- Dark Aqua #05696B ΔE 0.046
- Denim Blue #3B5B92 ΔE 0.053
Use #15607C 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.