#11459D
Closest named color: Cobalt (#1E488F). oklch(41.5% 0.153 260.6), rgb(17, 69, 157).
Aa
White text reads best on this color (8.89:1).
About this color
#11459D is a dark, vivid blue. In OKLCH its lightness is 41%, its chroma 0.153 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.027 away. White text reads best on it, at 8.89:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | vivid (0.153) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.36:1 |
| White text | 8.89:1 |
Values
| HEX | #11459D |
| RGB | rgb(17, 69, 157) |
| HSL | hsl(218, 80%, 34%) |
| OKLCH | oklch(41.5% 0.153 260.6) |
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 #11459D | 8.89:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #11459D | 2.36:1 | Fails | Lc 14.3 | Not readable |
| #11459D text on white | 8.89:1 | AAA | Lc 89.7 | Fine for body text |
| #11459D text on black | 2.36:1 | Fails | Lc -12.5 | Not readable |
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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EBFC
oklch(93.7% 0.026 259)
-
Step 200
200
#C7DAFB
oklch(88.5% 0.05 261.5)
-
Step 300
300
#A0C2FB
oklch(81% 0.089 260.6)
-
Step 400
400
#6BA0F9
oklch(70.8% 0.143 260.3)
-
Step 500
500
#4384F6
oklch(63% 0.183 260.7)
-
Step 600
600
#236BE5
oklch(55.7% 0.199 260.5)
-
Step 700
700
#1658C7
oklch(49.1% 0.185 260.6)
-
Step 800
800 (this color)
#11459D
oklch(41.5% 0.153 260.6)
-
Step 900
900
#183E80
oklch(37.7% 0.12 260.6)
-
Step 950
950
#0F254B
oklch(27% 0.076 260.5)
#11459D 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) | #0050A0 | 0.029 |
| Deuteranopia (no green cones) | #00449B | 0.009 |
| Tritanopia (no blue cones) | #005B6A | 0.117 |
| Achromatopsia (no color) | #4A4A4A | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #11459D
#11459D
oklch(41.5% 0.153 260.6)
- #634600
#634600
oklch(41.5% 0.086 81.5)
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 #11459D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.027
- Sapphire #2138AB ΔE 0.038
- Dusk Blue #26538D ΔE 0.054
- Light Navy #155084 ΔE 0.055
- Blueberry #464196 ΔE 0.057
- Twilight Blue #0A437A ΔE 0.059
- Deep Sea Blue #015482 ΔE 0.066
- Dark Slate Blue #483D8B ΔE 0.067
Use #11459D 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.