#34418C
Closest named color: Cobalt (#1E488F). oklch(40.7% 0.125 272.3), rgb(52, 65, 140).
Aa
White text reads best on this color (9.20:1).
About this color
#34418C is a dark, moderately saturated blue. In OKLCH its lightness is 41%, its chroma 0.125 and its hue 272°. 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 9.20:1.
| Hue family | Blues |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Cobalt (#1E488F) |
| Black text | 2.28:1 |
| White text | 9.20:1 |
Values
| HEX | #34418C |
| RGB | rgb(52, 65, 140) |
| HSL | hsl(231, 46%, 38%) |
| OKLCH | oklch(40.7% 0.125 272.3) |
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 #34418C | 9.20:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #34418C | 2.28:1 | Fails | Lc 13.0 | Not readable |
| #34418C text on white | 9.20:1 | AAA | Lc 90.9 | Preferred for body text |
| #34418C text on black | 2.28:1 | Fails | Lc -11.4 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5E9F8
oklch(93.5% 0.021 274)
-
Step 200
200
#D0D8F5
oklch(88.5% 0.041 273.3)
-
Step 300
300
#B0BEF1
oklch(80.8% 0.074 272.7)
-
Step 400
400
#889BE9
oklch(70.6% 0.116 272.7)
-
Step 500
500
#6B81E3
oklch(63.2% 0.149 272)
-
Step 600
600
#5568D1
oklch(55.7% 0.162 272.4)
-
Step 700
700
#4556B5
oklch(49.2% 0.151 272.1)
-
Step 800
800 (this color)
#34418C
oklch(40.7% 0.125 272.3)
-
Step 900
900
#303C75
oklch(37.7% 0.098 272)
-
Step 950
950
#1C2444
oklch(27.1% 0.06 271.3)
#34418C 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) | #144C8F | 0.038 |
| Deuteranopia (no green cones) | #00448A | 0.041 |
| Tritanopia (no blue cones) | #005260 | 0.106 |
| Achromatopsia (no color) | #484848 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #34418C
#34418C
oklch(40.7% 0.125 272.3)
- #5A4800
#5A4800
oklch(40.9% 0.084 92.4)
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 #34418C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cobalt #1E488F ΔE 0.027
- Dark Slate Blue #483D8B ΔE 0.031
- Blueberry #464196 ΔE 0.032
- Dusk Blue #26538D ΔE 0.050
- Twilight Blue #0A437A ΔE 0.050
- Light Navy #155084 ΔE 0.051
- Sapphire #2138AB ΔE 0.061
- Twilight #4E518B ΔE 0.062
Use #34418C 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.