#34345B
Closest named color: Prussian Blue (#1D3557). oklch(34.5% 0.067 282.3), rgb(52, 52, 91).
Aa
White text reads best on this color (11.74:1).
About this color
#34345B is a dark, muted purple. In OKLCH its lightness is 34%, its chroma 0.067 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Prussian Blue (#1D3557), ΔE 0.034 away. White text reads best on it, at 11.74:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Prussian Blue (#1D3557) |
| Black text | 1.78:1 |
| White text | 11.74:1 |
Values
| HEX | #34345B |
| RGB | rgb(52, 52, 91) |
| HSL | hsl(240, 27%, 28%) |
| OKLCH | oklch(34.5% 0.067 282.3) |
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 #34345B | 11.74:1 | AAA | Lc -100.5 | Preferred for body text |
| Black text on #34345B | 1.78:1 | Fails | Lc 0.0 | Not readable |
| #34345B text on white | 11.74:1 | AAA | Lc 96.9 | Preferred for body text |
| #34345B text on black | 1.78:1 | Fails | Lc 0.0 | 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 900.
-
Step 50
50
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E8E9F4
oklch(93.6% 0.015 281.9)
-
Step 200
200
#D6D7EC
oklch(88.5% 0.029 283.6)
-
Step 300
300
#BBBDE1
oklch(80.9% 0.051 282.7)
-
Step 400
400
#989BD2
oklch(70.7% 0.08 281.7)
-
Step 500
500
#8081C6
oklch(63.1% 0.103 282.4)
-
Step 600
600
#6A6AB3
oklch(55.7% 0.112 282.2)
-
Step 700
700
#58589A
oklch(49.1% 0.104 281.9)
-
Step 800
800
#48487D
oklch(42.7% 0.087 282.1)
-
Step 900
900 (this color)
#34345B
oklch(34.5% 0.067 282.3)
-
Step 950
950
#23243B
oklch(27.1% 0.043 281.2)
#34345B 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) | #27395D | 0.023 |
| Deuteranopia (no green cones) | #25375A | 0.023 |
| Tritanopia (no blue cones) | #293C43 | 0.059 |
| Achromatopsia (no color) | #383838 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #34345B
#34345B
oklch(34.5% 0.067 282.3)
- #403A07
#403A07
oklch(34.4% 0.067 102.3)
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 #34345B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Prussian Blue #1D3557 ΔE 0.034
- Dark Blue Grey #1F3B4D ΔE 0.047
- Space Cadet #2B2D42 ΔE 0.049
- Gunmetal #293241 ΔE 0.051
- Marine Blue #01386A ΔE 0.055
- Onyx #343A40 ΔE 0.057
- Dark Grey Blue #29465B ΔE 0.057
- Marine #042E60 ΔE 0.062
Use #34345B 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.