#34479E
Closest named color: Blueberry (#464196). oklch(43.4% 0.143 270.1), rgb(52, 71, 158).
Aa
White text reads best on this color (8.26:1).
About this color
#34479E is a dark, vivid blue. In OKLCH its lightness is 43%, its chroma 0.143 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.030 away. White text reads best on it, at 8.26:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | vivid (0.143) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.54:1 |
| White text | 8.26:1 |
Values
| HEX | #34479E |
| RGB | rgb(52, 71, 158) |
| HSL | hsl(229, 50%, 41%) |
| OKLCH | oklch(43.4% 0.143 270.1) |
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 #34479E | 8.26:1 | AAA | Lc -92.8 | Preferred for body text |
| Black text on #34479E | 2.54:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #34479E text on white | 8.26:1 | AAA | Lc 88.2 | Fine for body text |
| #34479E text on black | 2.54:1 | Fails | Lc -14.0 | 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
#E3EAFB
oklch(93.7% 0.024 267.9)
-
Step 200
200
#CDD8F9
oklch(88.4% 0.047 270.8)
-
Step 300
300
#ACBFF7
oklch(81% 0.082 270)
-
Step 400
400
#819BF4
oklch(70.7% 0.134 270.4)
-
Step 500
500
#637FEF
oklch(63% 0.17 270.3)
-
Step 600
600
#4C66DE
oklch(55.7% 0.185 270.1)
-
Step 700
700
#3D53C1
oklch(49% 0.173 270.2)
-
Step 800
800 (this color)
#34479E
oklch(43.4% 0.143 270.1)
-
Step 900
900
#2C3B7C
oklch(37.7% 0.111 270.5)
-
Step 950
950
#192348
oklch(26.9% 0.07 269.8)
#34479E 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) | #0553A1 | 0.040 |
| Deuteranopia (no green cones) | #004A9C | 0.036 |
| Tritanopia (no blue cones) | #005C6B | 0.119 |
| Achromatopsia (no color) | #4E4E4E | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #34479E
#34479E
oklch(43.4% 0.143 270.1)
- #644E00
#644E00
oklch(43.5% 0.089 90)
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 #34479E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.030
- Cobalt #1E488F ΔE 0.034
- Dark Slate Blue #483D8B ΔE 0.045
- Dusk Blue #26538D ΔE 0.047
- Sapphire #2138AB ΔE 0.050
- Light Navy #155084 ΔE 0.059
- Twilight #4E518B ΔE 0.059
- Denim Blue #3B5B92 ΔE 0.063
Use #34479E 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.