#34479B
Closest named color: Blueberry (#464196). oklch(43.1% 0.138 270.1), rgb(52, 71, 155).
Aa
White text reads best on this color (8.33:1).
About this color
#34479B is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.138 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.028 away. White text reads best on it, at 8.33:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.138) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.52:1 |
| White text | 8.33:1 |
Values
| HEX | #34479B |
| RGB | rgb(52, 71, 155) |
| HSL | hsl(229, 50%, 41%) |
| OKLCH | oklch(43.1% 0.138 270.1) |
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 #34479B | 8.33:1 | AAA | Lc -93.0 | Preferred for body text |
| Black text on #34479B | 2.52:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #34479B text on white | 8.33:1 | AAA | Lc 88.4 | Fine for body text |
| #34479B text on black | 2.52:1 | Fails | Lc -13.8 | 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
#E4EAFA
oklch(93.7% 0.023 269.4)
-
Step 200
200
#CDD8F8
oklch(88.4% 0.046 270.4)
-
Step 300
300
#ACBFF6
oklch(81% 0.081 269.7)
-
Step 400
400
#819BF1
oklch(70.6% 0.13 270.1)
-
Step 500
500
#6480EC
oklch(63.1% 0.165 270.2)
-
Step 600
600
#4C66DB
oklch(55.5% 0.181 270.1)
-
Step 700
700
#3E54BE
oklch(49% 0.168 270.2)
-
Step 800
800 (this color)
#34479B
oklch(43.1% 0.138 270.1)
-
Step 900
900
#2C3C7A
oklch(37.8% 0.107 269.8)
-
Step 950
950
#1A2347
oklch(26.9% 0.068 270.7)
#34479B 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) | #0E539E | 0.039 |
| Deuteranopia (no green cones) | #004999 | 0.037 |
| Tritanopia (no blue cones) | #005B6A | 0.115 |
| Achromatopsia (no color) | #4E4E4E | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #34479B
#34479B
oklch(43.1% 0.138 270.1)
- #634D00
#634D00
oklch(43.1% 0.088 89.7)
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 #34479B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.028
- Cobalt #1E488F ΔE 0.031
- Dark Slate Blue #483D8B ΔE 0.043
- Dusk Blue #26538D ΔE 0.044
- Sapphire #2138AB ΔE 0.052
- Light Navy #155084 ΔE 0.055
- Twilight #4E518B ΔE 0.056
- Denim Blue #3B5B92 ΔE 0.062
Use #34479B 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.