#434899
Closest named color: Blueberry (#464196). oklch(44.2% 0.13 277), rgb(67, 72, 153).
Aa
White text reads best on this color (7.99:1).
About this color
#434899 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.130 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.018 away. White text reads best on it, at 7.99:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.130) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.62:1 |
| White text | 7.99:1 |
Values
| HEX | #434899 |
| RGB | rgb(67, 72, 153) |
| HSL | hsl(237, 39%, 43%) |
| OKLCH | oklch(44.2% 0.13 277) |
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 #434899 | 7.99:1 | AAA | Lc -92.2 | Preferred for body text |
| Black text on #434899 | 2.62:1 | Fails | Lc 16.5 | Dividers and decoration only |
| #434899 text on white | 7.99:1 | AAA | Lc 87.5 | Fine for body text |
| #434899 text on black | 2.62:1 | Fails | Lc -14.7 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E6E9F9
oklch(93.6% 0.022 277.5)
-
Step 200
200
#D1D7F6
oklch(88.4% 0.043 276.8)
-
Step 300
300
#B4BDF2
oklch(81% 0.076 277.1)
-
Step 400
400
#8E99EC
oklch(70.8% 0.122 277.1)
-
Step 500
500
#737DE5
oklch(63% 0.155 276.8)
-
Step 600
600
#5D64D3
oklch(55.6% 0.168 276.7)
-
Step 700
700
#4D52B7
oklch(49.1% 0.157 276.8)
-
Step 800
800 (this color)
#434899
oklch(44.2% 0.13 277)
-
Step 900
900
#353A76
oklch(37.7% 0.101 276.8)
-
Step 950
950
#1F2245
oklch(26.9% 0.064 277.4)
#434899 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) | #1C549C | 0.047 |
| Deuteranopia (no green cones) | #0C4D97 | 0.051 |
| Tritanopia (no blue cones) | #175A69 | 0.114 |
| Achromatopsia (no color) | #515151 | 0.130 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #434899
#434899
oklch(44.2% 0.13 277)
- #615200
#615200
oklch(44% 0.091 96.9)
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 #434899, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.018
- Dark Slate Blue #483D8B ΔE 0.035
- Twilight #4E518B ΔE 0.041
- Cobalt #1E488F ΔE 0.047
- Dusk Blue #26538D ΔE 0.049
- Denim Blue #3B5B92 ΔE 0.056
- Dusk #4E5481 ΔE 0.060
- Light Navy #155084 ΔE 0.064
Use #434899 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.