#0F6591
Closest named color: Peacock Blue (#016795). oklch(48.2% 0.102 238.5), rgb(15, 101, 145).
Aa
White text reads best on this color (6.38:1).
About this color
#0F6591 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.102 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.008 away. White text reads best on it, at 6.38:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.29:1 |
| White text | 6.38:1 |
Values
| HEX | #0F6591 |
| RGB | rgb(15, 101, 145) |
| HSL | hsl(200, 81%, 31%) |
| OKLCH | oklch(48.2% 0.102 238.5) |
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 #0F6591 | 6.38:1 | AA | Lc -86.4 | Fine for body text |
| Black text on #0F6591 | 3.29:1 | AA large text | Lc 22.8 | Dividers and decoration only |
| #0F6591 text on white | 6.38:1 | AA | Lc 81.3 | Fine for body text |
| #0F6591 text on black | 3.29:1 | AA large text | Lc -20.6 | 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 700.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF3
oklch(93.6% 0.015 244.7)
-
Step 200
200
#C9DCEA
oklch(88.5% 0.028 239.7)
-
Step 300
300
#A4C6DD
oklch(80.9% 0.049 237.8)
-
Step 400
400
#71A8CD
oklch(70.7% 0.079 238.8)
-
Step 500
500
#4792C0
oklch(63.2% 0.102 238.2)
-
Step 600
600
#237BAC
oklch(55.5% 0.11 238.5)
-
Step 700
700 (this color)
#0F6591
oklch(48.2% 0.102 238.5)
-
Step 800
800
#155578
oklch(42.8% 0.085 238.1)
-
Step 900
900
#1A4661
oklch(37.7% 0.067 239.1)
-
Step 950
950
#112939
oklch(27% 0.042 240.1)
#0F6591 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) | #506593 | 0.055 |
| Deuteranopia (no green cones) | #3F5A90 | 0.044 |
| Tritanopia (no blue cones) | #007074 | 0.066 |
| Achromatopsia (no color) | #5F5F5F | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0F6591
#0F6591
oklch(48.2% 0.102 238.5)
- #884E17
#884E17
oklch(48.3% 0.102 59)
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 #0F6591, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.008
- Denim #3B638C ΔE 0.030
- Light Navy Blue #2E5A88 ΔE 0.034
- Ocean Blue #03719C ΔE 0.036
- Denim Blue #3B5B92 ΔE 0.040
- Sea Blue #047495 ΔE 0.045
- Dusky Blue #475F94 ΔE 0.046
- Dusk Blue #26538D ΔE 0.052
Use #0F6591 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.