#18469E
Closest named color: Cobalt (#1E488F). oklch(42% 0.152 261.7), rgb(24, 70, 158).
Aa
White text reads best on this color (8.71:1).
About this color
#18469E is a dark, vivid blue. In OKLCH its lightness is 42%, its chroma 0.152 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Cobalt (#1E488F), ΔE 0.026 away. White text reads best on it, at 8.71:1.
| Hue family | Blues |
| Lightness | dark (42%) |
| Chroma | vivid (0.152) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.40:1 |
| White text | 8.71:1 |
Values
| HEX | #18469E |
| RGB | rgb(24, 70, 158) |
| HSL | hsl(219, 74%, 36%) |
| OKLCH | oklch(42% 0.152 261.7) |
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 #18469E | 8.71:1 | AAA | Lc -93.8 | Preferred for body text |
| Black text on #18469E | 2.40:1 | Fails | Lc 14.7 | Not readable |
| #18469E text on white | 8.71:1 | AAA | Lc 89.3 | Fine for body text |
| #18469E text on black | 2.40:1 | Fails | Lc -12.9 | 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
#E1EAFC
oklch(93.6% 0.026 264.4)
-
Step 200
200
#C7DAFB
oklch(88.5% 0.05 261.5)
-
Step 300
300
#A1C1FB
oklch(80.8% 0.09 262.1)
-
Step 400
400
#6E9FF9
oklch(70.7% 0.143 261.7)
-
Step 500
500
#4884F5
oklch(63.1% 0.181 261.7)
-
Step 600
600
#2A6AE4
oklch(55.6% 0.197 261.7)
-
Step 700
700
#1D57C6
oklch(49% 0.184 261.7)
-
Step 800
800 (this color)
#18469E
oklch(42% 0.152 261.7)
-
Step 900
900
#1B3E7F
oklch(37.8% 0.118 261.4)
-
Step 950
950
#11254B
oklch(27.1% 0.075 261.8)
#18469E 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) | #0051A1 | 0.029 |
| Deuteranopia (no green cones) | #00459C | 0.013 |
| Tritanopia (no blue cones) | #005C6B | 0.117 |
| Achromatopsia (no color) | #4B4B4B | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #18469E
#18469E
oklch(42% 0.152 261.7)
- #644700
#644700
oklch(41.9% 0.086 81.8)
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 #18469E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.026
- Sapphire #2138AB ΔE 0.039
- Dusk Blue #26538D ΔE 0.051
- Blueberry #464196 ΔE 0.053
- Light Navy #155084 ΔE 0.054
- Twilight Blue #0A437A ΔE 0.062
- Dark Slate Blue #483D8B ΔE 0.064
- Deep Sea Blue #015482 ΔE 0.065
Use #18469E 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.