#34459C
Closest named color: Blueberry (#464196). oklch(42.8% 0.142 270.8), rgb(52, 69, 156).
Aa
White text reads best on this color (8.47:1).
About this color
#34459C is a dark, vivid blue. In OKLCH its lightness is 43%, its chroma 0.142 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.027 away. White text reads best on it, at 8.47:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | vivid (0.142) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.47:1 |
| White text | 8.47:1 |
Values
| HEX | #34459C |
| RGB | rgb(52, 69, 156) |
| HSL | hsl(230, 50%, 41%) |
| OKLCH | oklch(42.8% 0.142 270.8) |
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 #34459C | 8.47:1 | AAA | Lc -93.4 | Preferred for body text |
| Black text on #34459C | 2.47:1 | Fails | Lc 15.2 | Dividers and decoration only |
| #34459C text on white | 8.47:1 | AAA | Lc 88.8 | Fine for body text |
| #34459C text on black | 2.47:1 | Fails | Lc -13.4 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E4E9FB
oklch(93.6% 0.025 273.5)
-
Step 200
200
#CDD8F9
oklch(88.4% 0.047 270.8)
-
Step 300
300
#ACBEF7
oklch(80.8% 0.083 270.9)
-
Step 400
400
#829BF4
oklch(70.8% 0.133 270.8)
-
Step 500
500
#647FEF
oklch(63.1% 0.17 270.7)
-
Step 600
600
#4D65DE
oklch(55.6% 0.186 270.7)
-
Step 700
700
#3F53C0
oklch(49.1% 0.172 270.9)
-
Step 800
800 (this color)
#34459C
oklch(42.8% 0.142 270.8)
-
Step 900
900
#2D3B7C
oklch(37.8% 0.111 271)
-
Step 950
950
#1A2348
oklch(27% 0.07 270.8)
#34459C 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) | #00529F | 0.044 |
| Deuteranopia (no green cones) | #00489A | 0.037 |
| Tritanopia (no blue cones) | #005A69 | 0.119 |
| Achromatopsia (no color) | #4D4D4D | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #34459C
#34459C
oklch(42.8% 0.142 270.8)
- #614D00
#614D00
oklch(42.9% 0.088 91.6)
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 #34459C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.027
- Cobalt #1E488F ΔE 0.033
- Dark Slate Blue #483D8B ΔE 0.042
- Sapphire #2138AB ΔE 0.048
- Dusk Blue #26538D ΔE 0.049
- Light Navy #155084 ΔE 0.059
- Twilight #4E518B ΔE 0.061
- Denim Blue #3B5B92 ΔE 0.067
Use #34459C 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.