#434199
Closest named color: Blueberry (#464196). oklch(42.8% 0.14 279.7), rgb(67, 65, 153).
Aa
White text reads best on this color (8.55:1).
About this color
#434199 is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.140 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.007 away. White text reads best on it, at 8.55:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.140) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.45:1 |
| White text | 8.55:1 |
Values
| HEX | #434199 |
| RGB | rgb(67, 65, 153) |
| HSL | hsl(241, 40%, 43%) |
| OKLCH | oklch(42.8% 0.14 279.7) |
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 #434199 | 8.55:1 | AAA | Lc -93.7 | Preferred for body text |
| Black text on #434199 | 2.45:1 | Fails | Lc 14.9 | Not readable |
| #434199 text on white | 8.55:1 | AAA | Lc 89.1 | Fine for body text |
| #434199 text on black | 2.45:1 | Fails | Lc -13.1 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E6E9FA
oklch(93.7% 0.023 277.9)
-
Step 200
200
#D2D7F7
oklch(88.5% 0.044 278.4)
-
Step 300
300
#B5BBF5
oklch(80.8% 0.082 279.8)
-
Step 400
400
#9196F0
oklch(70.6% 0.131 280.1)
-
Step 500
500
#787AEB
oklch(63.2% 0.166 279.8)
-
Step 600
600
#625FD9
oklch(55.5% 0.182 279.8)
-
Step 700
700
#524EBD
oklch(49.2% 0.169 279.8)
-
Step 800
800 (this color)
#434199
oklch(42.8% 0.14 279.7)
-
Step 900
900
#383879
oklch(37.7% 0.108 279.9)
-
Step 950
950
#202147
oklch(26.9% 0.069 279.5)
#434199 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) | #00509C | 0.062 |
| Deuteranopia (no green cones) | #004997 | 0.059 |
| Tritanopia (no blue cones) | #195566 | 0.120 |
| Achromatopsia (no color) | #4C4C4C | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #434199
#434199
oklch(42.8% 0.14 279.7)
- #5B5000
#5B5000
oklch(42.9% 0.089 100.2)
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 #434199, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.007
- Dark Slate Blue #483D8B ΔE 0.025
- Cobalt #1E488F ΔE 0.049
- Twilight #4E518B ΔE 0.056
- Sapphire #2138AB ΔE 0.060
- Dusk Blue #26538D ΔE 0.061
- Rebecca Purple #663399 ΔE 0.066
- Light Navy #155084 ΔE 0.072
Use #434199 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.