#15649D
Closest named color: Peacock Blue (#016795). oklch(48.8% 0.116 246.2), rgb(21, 100, 157).
Aa
White text reads best on this color (6.28:1).
About this color
#15649D is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.116 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.018 away. White text reads best on it, at 6.28:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.116) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.34:1 |
| White text | 6.28:1 |
Values
| HEX | #15649D |
| RGB | rgb(21, 100, 157) |
| HSL | hsl(205, 76%, 35%) |
| OKLCH | oklch(48.8% 0.116 246.2) |
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 #15649D | 6.28:1 | AA | Lc -86.0 | Fine for body text |
| Black text on #15649D | 3.34:1 | AA large text | Lc 23.2 | Dividers and decoration only |
| #15649D text on white | 6.28:1 | AA | Lc 80.8 | Fine for body text |
| #15649D text on black | 3.34:1 | AA large text | Lc -21.0 | 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 700.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1EBF4
oklch(93.5% 0.016 245.1)
-
Step 200
200
#C9DCED
oklch(88.6% 0.031 245.1)
-
Step 300
300
#A4C5E3
oklch(80.9% 0.055 246)
-
Step 400
400
#71A6D6
oklch(70.7% 0.09 246.8)
-
Step 500
500
#488FCB
oklch(63.1% 0.116 246.5)
-
Step 600
600
#2578B7
oklch(55.5% 0.125 246.1)
-
Step 700
700 (this color)
#15649D
oklch(48.8% 0.116 246.2)
-
Step 800
800
#175380
oklch(42.8% 0.096 245.8)
-
Step 900
900
#1B4567
oklch(37.8% 0.075 246.1)
-
Step 950
950
#11283C
oklch(26.9% 0.047 246.9)
#15649D 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) | #49679F | 0.046 |
| Deuteranopia (no green cones) | #355B9C | 0.031 |
| Tritanopia (no blue cones) | #007279 | 0.082 |
| Achromatopsia (no color) | #606060 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #15649D
#15649D
oklch(48.8% 0.116 246.2)
- #885100
#885100
oklch(48.7% 0.108 66.2)
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 #15649D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.018
- Denim Blue #3B5B92 ΔE 0.036
- Denim #3B638C ΔE 0.037
- Ocean Blue #03719C ΔE 0.039
- Mid Blue #276AB3 ΔE 0.040
- Light Navy Blue #2E5A88 ΔE 0.040
- Dusky Blue #475F94 ΔE 0.042
- Muted Blue #3B719F ΔE 0.050
Use #15649D 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.