#34479D
Closest named color: Blueberry (#464196). oklch(43.3% 0.141 270.1), rgb(52, 71, 157).
Aa
White text reads best on this color (8.28:1).
About this color
#34479D is a dark, vivid blue. In OKLCH its lightness is 43%, its chroma 0.141 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.029 away. White text reads best on it, at 8.28:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | vivid (0.141) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.53:1 |
| White text | 8.28:1 |
Values
| HEX | #34479D |
| RGB | rgb(52, 71, 157) |
| HSL | hsl(229, 50%, 41%) |
| OKLCH | oklch(43.3% 0.141 270.1) |
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 #34479D | 8.28:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #34479D | 2.53:1 | Fails | Lc 15.7 | Dividers and decoration only |
| #34479D text on white | 8.28:1 | AAA | Lc 88.3 | Fine for body text |
| #34479D text on black | 2.53:1 | Fails | Lc -13.9 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3EAFA
oklch(93.6% 0.023 266.9)
-
Step 200
200
#CDD8F8
oklch(88.4% 0.046 270.4)
-
Step 300
300
#ACBFF7
oklch(81% 0.082 270)
-
Step 400
400
#819BF3
oklch(70.7% 0.132 270.3)
-
Step 500
500
#6380EE
oklch(63.2% 0.168 270)
-
Step 600
600
#4C66DD
oklch(55.6% 0.183 270.1)
-
Step 700
700
#3D54C0
oklch(49.2% 0.171 269.9)
-
Step 800
800 (this color)
#34479D
oklch(43.3% 0.141 270.1)
-
Step 900
900
#2C3B7B
oklch(37.7% 0.11 270.4)
-
Step 950
950
#192348
oklch(26.9% 0.07 269.8)
#34479D 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) | #0853A0 | 0.040 |
| Deuteranopia (no green cones) | #004A9B | 0.036 |
| Tritanopia (no blue cones) | #005B6B | 0.116 |
| Achromatopsia (no color) | #4E4E4E | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #34479D
#34479D
oklch(43.3% 0.141 270.1)
- #634E00
#634E00
oklch(43.3% 0.089 90.9)
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 #34479D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.029
- Cobalt #1E488F ΔE 0.033
- Dark Slate Blue #483D8B ΔE 0.044
- Dusk Blue #26538D ΔE 0.046
- Sapphire #2138AB ΔE 0.051
- Light Navy #155084 ΔE 0.057
- Twilight #4E518B ΔE 0.058
- Denim Blue #3B5B92 ΔE 0.063
Use #34479D 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.