#11659B
Closest named color: Peacock Blue (#016795). oklch(48.8% 0.114 244), rgb(17, 101, 155).
Aa
White text reads best on this color (6.25:1).
About this color
#11659B is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.114 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.013 away. White text reads best on it, at 6.25:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.35:1 |
| White text | 6.25:1 |
Values
| HEX | #11659B |
| RGB | rgb(17, 101, 155) |
| HSL | hsl(203, 80%, 34%) |
| OKLCH | oklch(48.8% 0.114 244) |
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 #11659B | 6.25:1 | AA | Lc -85.8 | Fine for body text |
| Black text on #11659B | 3.35:1 | AA large text | Lc 23.4 | Dividers and decoration only |
| #11659B text on white | 6.25:1 | AA | Lc 80.7 | Fine for body text |
| #11659B text on black | 3.35:1 | AA large text | Lc -21.2 | 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
#C9DCEC
oklch(88.5% 0.03 243.4)
-
Step 300
300
#A3C5E2
oklch(80.8% 0.055 244.3)
-
Step 400
400
#70A7D4
oklch(70.8% 0.088 244.2)
-
Step 500
500
#4690C8
oklch(63.1% 0.112 243.9)
-
Step 600
600
#2279B5
oklch(55.5% 0.122 244.2)
-
Step 700
700 (this color)
#11659B
oklch(48.8% 0.114 244)
-
Step 800
800
#14537E
oklch(42.6% 0.094 244)
-
Step 900
900
#194565
oklch(37.6% 0.073 243.7)
-
Step 950
950
#10293B
oklch(27.1% 0.046 242.4)
#11659B 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) | #4B679D | 0.049 |
| Deuteranopia (no green cones) | #385B9A | 0.036 |
| Tritanopia (no blue cones) | #007279 | 0.077 |
| Achromatopsia (no color) | #606060 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #11659B
#11659B
oklch(48.8% 0.114 244)
- #8A5000
#8A5000
oklch(48.8% 0.11 64.2)
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 #11659B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.013
- Denim #3B638C ΔE 0.035
- Ocean Blue #03719C ΔE 0.035
- Denim Blue #3B5B92 ΔE 0.038
- Light Navy Blue #2E5A88 ΔE 0.040
- Mid Blue #276AB3 ΔE 0.043
- Dusky Blue #475F94 ΔE 0.043
- Sea Blue #047495 ΔE 0.048
Use #11659B 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.