#13459A
Closest named color: Cobalt (#1E488F). oklch(41.3% 0.149 260.6), rgb(19, 69, 154).
Aa
White text reads best on this color (8.95:1).
About this color
#13459A is a dark, vivid blue. In OKLCH its lightness is 41%, its chroma 0.149 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.022 away. White text reads best on it, at 8.95:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | vivid (0.149) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.34:1 |
| White text | 8.95:1 |
Values
| HEX | #13459A |
| RGB | rgb(19, 69, 154) |
| HSL | hsl(218, 78%, 34%) |
| OKLCH | oklch(41.3% 0.149 260.6) |
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 #13459A | 8.95:1 | AAA | Lc -94.4 | Preferred for body text |
| Black text on #13459A | 2.34:1 | Fails | Lc 14.0 | Not readable |
| #13459A text on white | 8.95:1 | AAA | Lc 89.9 | Fine for body text |
| #13459A text on black | 2.34:1 | Fails | Lc -12.3 | 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
#E0EBFB
oklch(93.7% 0.025 257.6)
-
Step 200
200
#C7DAFA
oklch(88.4% 0.049 260.9)
-
Step 300
300
#A1C2F9
oklch(81% 0.086 260.5)
-
Step 400
400
#6DA0F7
oklch(70.8% 0.139 260.5)
-
Step 500
500
#4585F3
oklch(63.1% 0.178 260.5)
-
Step 600
600
#266BE2
oklch(55.5% 0.194 260.6)
-
Step 700
700
#1959C4
oklch(49.1% 0.179 260.5)
-
Step 800
800 (this color)
#13459A
oklch(41.3% 0.149 260.6)
-
Step 900
900
#1A3E7E
oklch(37.6% 0.116 260.9)
-
Step 950
950
#10254A
oklch(27% 0.074 260.8)
#13459A 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) | #00509D | 0.029 |
| Deuteranopia (no green cones) | #004498 | 0.010 |
| Tritanopia (no blue cones) | #005A68 | 0.114 |
| Achromatopsia (no color) | #494949 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #13459A
#13459A
oklch(41.3% 0.149 260.6)
- #634500
#634500
oklch(41.3% 0.085 80.3)
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 #13459A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.022
- Sapphire #2138AB ΔE 0.042
- Dusk Blue #26538D ΔE 0.051
- Light Navy #155084 ΔE 0.051
- Twilight Blue #0A437A ΔE 0.054
- Blueberry #464196 ΔE 0.056
- Deep Sea Blue #015482 ΔE 0.062
- Dark Slate Blue #483D8B ΔE 0.065
Use #13459A 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.