#015F77
Closest named color: Petrol (#005F6A). oklch(45.1% 0.084 222.9), rgb(1, 95, 119).
Aa
White text reads best on this color (7.23:1).
About this color
#015F77 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 45%, its chroma 0.084 and its hue 223°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.022 away. White text reads best on it, at 7.23:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.084) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.90:1 |
| White text | 7.23:1 |
Values
| HEX | #015F77 |
| RGB | rgb(1, 95, 119) |
| HSL | hsl(192, 98%, 24%) |
| OKLCH | oklch(45.1% 0.084 222.9) |
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 #015F77 | 7.23:1 | AAA | Lc -89.5 | Fine for body text |
| Black text on #015F77 | 2.90:1 | Fails | Lc 19.5 | Dividers and decoration only |
| #015F77 text on white | 7.23:1 | AAA | Lc 84.6 | Fine for body text |
| #015F77 text on black | 2.90:1 | Fails | Lc -17.4 | 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 800.
-
Step 50
50
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E0ECF1
oklch(93.6% 0.015 224.5)
-
Step 200
200
#C7DEE6
oklch(88.6% 0.027 220.7)
-
Step 300
300
#9FC8D8
oklch(80.9% 0.049 223.7)
-
Step 400
400
#67ACC4
oklch(70.8% 0.078 222.4)
-
Step 500
500
#3496B5
oklch(63% 0.1 223)
-
Step 600
600
#00809F
oklch(55.6% 0.103 222.6)
-
Step 700
700
#006B86
oklch(49% 0.091 223.1)
-
Step 800
800 (this color)
#015F77
oklch(45.1% 0.084 222.9)
-
Step 900
900
#0C495B
oklch(37.8% 0.065 223.2)
-
Step 950
950
#0B2B35
oklch(27.1% 0.041 222.2)
#015F77 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) | #515D78 | 0.065 |
| Deuteranopia (no green cones) | #435377 | 0.057 |
| Tritanopia (no blue cones) | #006667 | 0.040 |
| Achromatopsia (no color) | #575757 | 0.084 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #015F77
#015F77
oklch(45.1% 0.084 222.9)
- #7C452E
#7C452E
oklch(45.2% 0.084 43)
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 #015F77, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.022
- Dark Aqua #05696B ΔE 0.043
- Deep Sea Blue #015482 ΔE 0.043
- Light Navy Blue #2E5A88 ΔE 0.044
- YInMn Blue #415A77 ΔE 0.045
- Peacock Blue #016795 ΔE 0.051
- Deep Teal #00555A ΔE 0.052
- Denim #3B638C ΔE 0.055
Use #015F77 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.