#015B79
Closest named color: Deep Sea Blue (#015482). oklch(44.1% 0.087 229.4), rgb(1, 91, 121).
Aa
White text reads best on this color (7.57:1).
About this color
#015B79 is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 44%, its chroma 0.087 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sea Blue (#015482), ΔE 0.029 away. White text reads best on it, at 7.57:1.
| Hue family | Teals and cyans |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Deep Sea Blue (#015482) |
| Black text | 2.77:1 |
| White text | 7.57:1 |
Values
| HEX | #015B79 |
| RGB | rgb(1, 91, 121) |
| HSL | hsl(195, 98%, 24%) |
| OKLCH | oklch(44.1% 0.087 229.4) |
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 #015B79 | 7.57:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #015B79 | 2.77:1 | Fails | Lc 18.2 | Dividers and decoration only |
| #015B79 text on white | 7.57:1 | AAA | Lc 85.8 | Fine for body text |
| #015B79 text on black | 2.77:1 | Fails | Lc -16.3 | 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 800.
-
Step 50
50
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E0ECF2
oklch(93.6% 0.015 229)
-
Step 200
200
#C7DDE8
oklch(88.5% 0.028 229.2)
-
Step 300
300
#9FC8DB
oklch(81% 0.051 227.9)
-
Step 400
400
#68ABC9
oklch(70.8% 0.081 228.5)
-
Step 500
500
#3795BC
oklch(63.1% 0.104 229.4)
-
Step 600
600
#007EA7
oklch(55.5% 0.111 230)
-
Step 700
700
#006A8D
oklch(49.1% 0.098 229.8)
-
Step 800
800 (this color)
#015B79
oklch(44.1% 0.087 229.4)
-
Step 900
900
#0E485E
oklch(37.7% 0.068 228.9)
-
Step 950
950
#0C2A37
oklch(26.9% 0.043 229.9)
#015B79 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) | #4B5A7A | 0.059 |
| Deuteranopia (no green cones) | #3D5079 | 0.051 |
| Tritanopia (no blue cones) | #006365 | 0.048 |
| Achromatopsia (no color) | #545454 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #015B79
#015B79
oklch(44.1% 0.087 229.4)
- #794323
#794323
oklch(44.2% 0.087 49.6)
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 #015B79, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sea Blue #015482 ΔE 0.029
- Petrol #005F6A ΔE 0.032
- Light Navy Blue #2E5A88 ΔE 0.038
- Light Navy #155084 ΔE 0.042
- YInMn Blue #415A77 ΔE 0.046
- Dusk Blue #26538D ΔE 0.049
- Deep Teal #00555A ΔE 0.052
- Peacock Blue #016795 ΔE 0.053
Use #015B79 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.