#434883
Closest named color: Twilight (#4E518B). oklch(42.7% 0.097 277.8), rgb(67, 72, 131).
Aa
White text reads best on this color (8.42:1).
About this color
#434883 is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.097 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.033 away. White text reads best on it, at 8.42:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.49:1 |
| White text | 8.42:1 |
Values
| HEX | #434883 |
| RGB | rgb(67, 72, 131) |
| HSL | hsl(235, 32%, 39%) |
| OKLCH | oklch(42.7% 0.097 277.8) |
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 #434883 | 8.42:1 | AAA | Lc -93.5 | Preferred for body text |
| Black text on #434883 | 2.49:1 | Fails | Lc 15.1 | Dividers and decoration only |
| #434883 text on white | 8.42:1 | AAA | Lc 88.9 | Fine for body text |
| #434883 text on black | 2.49:1 | Fails | Lc -13.3 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F5
oklch(93.6% 0.016 278.5)
-
Step 200
200
#D4D8EE
oklch(88.6% 0.03 277.6)
-
Step 300
300
#B7BEE6
oklch(80.9% 0.057 277.3)
-
Step 400
400
#939BD9
oklch(70.7% 0.091 278.1)
-
Step 500
500
#7982CF
oklch(63.2% 0.116 277.5)
-
Step 600
600
#636ABC
oklch(55.7% 0.126 277.8)
-
Step 700
700
#5258A2
oklch(49.2% 0.117 277.7)
-
Step 800
800 (this color)
#434883
oklch(42.7% 0.097 277.8)
-
Step 900
900
#383D69
oklch(37.7% 0.075 277.2)
-
Step 950
950
#21243E
oklch(27.1% 0.048 277.6)
#434883 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) | #315085 | 0.030 |
| Deuteranopia (no green cones) | #2B4B82 | 0.031 |
| Tritanopia (no blue cones) | #2C545F | 0.084 |
| Achromatopsia (no color) | #4D4D4D | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #434883
#434883
oklch(42.7% 0.097 277.8)
- #5C4F00
#5C4F00
oklch(42.8% 0.088 98.3)
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 #434883, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.033
- Dark Slate Blue #483D8B ΔE 0.034
- Blueberry #464196 ΔE 0.039
- Dusk #4E5481 ΔE 0.041
- Dusk Blue #26538D ΔE 0.043
- Cobalt #1E488F ΔE 0.047
- Light Navy #155084 ΔE 0.050
- Light Navy Blue #2E5A88 ΔE 0.054
Use #434883 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.