#015F80
Closest named color: Light Navy Blue (#2E5A88). oklch(45.5% 0.091 230.9), rgb(1, 95, 128).
Aa
White text reads best on this color (7.11:1).
About this color
#015F80 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.091 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Light Navy Blue (#2E5A88), ΔE 0.032 away. White text reads best on it, at 7.11:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Light Navy Blue (#2E5A88) |
| Black text | 2.94:1 |
| White text | 7.11:1 |
Values
| HEX | #015F80 |
| RGB | rgb(1, 95, 128) |
| HSL | hsl(196, 98%, 25%) |
| OKLCH | oklch(45.5% 0.091 230.9) |
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 #015F80 | 7.11:1 | AAA | Lc -89.1 | Fine for body text |
| Black text on #015F80 | 2.94:1 | Fails | Lc 19.9 | Dividers and decoration only |
| #015F80 text on white | 7.11:1 | AAA | Lc 84.2 | Fine for body text |
| #015F80 text on black | 2.94:1 | Fails | Lc -17.8 | 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
#C6DDE9
oklch(88.4% 0.03 230.3)
-
Step 300
300
#9EC8DD
oklch(81% 0.053 229.8)
-
Step 400
400
#66ABCC
oklch(70.8% 0.085 230.3)
-
Step 500
500
#3295BF
oklch(63.1% 0.109 230.6)
-
Step 600
600
#007EA8
oklch(55.6% 0.112 230.6)
-
Step 700
700
#006A8E
oklch(49.1% 0.099 230.6)
-
Step 800
800 (this color)
#015F80
oklch(45.5% 0.091 230.9)
-
Step 900
900
#0A4860
oklch(37.7% 0.071 230.4)
-
Step 950
950
#0A2A38
oklch(26.9% 0.045 230.7)
#015F80 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) | #4E5E82 | 0.061 |
| Deuteranopia (no green cones) | #3F5380 | 0.052 |
| Tritanopia (no blue cones) | #00686A | 0.053 |
| Achromatopsia (no color) | #585858 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #015F80
#015F80
oklch(45.5% 0.091 230.9)
- #7E4622
#7E4622
oklch(45.5% 0.091 51.2)
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 #015F80, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Navy Blue #2E5A88 ΔE 0.032
- Deep Sea Blue #015482 ΔE 0.035
- Petrol #005F6A ΔE 0.037
- Peacock Blue #016795 ΔE 0.038
- YInMn Blue #415A77 ΔE 0.044
- Denim #3B638C ΔE 0.046
- Light Navy #155084 ΔE 0.048
- Dusk Blue #26538D ΔE 0.048
Use #015F80 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.