#434E82
Closest named color: Twilight (#4E518B). oklch(43.9% 0.087 273.3), rgb(67, 78, 130).
Aa
White text reads best on this color (7.92:1).
About this color
#434E82 is a dark, moderately saturated blue. In OKLCH its lightness is 44%, its chroma 0.087 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.024 away. White text reads best on it, at 7.92:1.
| Hue family | Blues |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.65:1 |
| White text | 7.92:1 |
Values
| HEX | #434E82 |
| RGB | rgb(67, 78, 130) |
| HSL | hsl(230, 32%, 39%) |
| OKLCH | oklch(43.9% 0.087 273.3) |
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 #434E82 | 7.92:1 | AAA | Lc -92.1 | Preferred for body text |
| Black text on #434E82 | 2.65:1 | Fails | Lc 16.6 | Dividers and decoration only |
| #434E82 text on white | 7.92:1 | AAA | Lc 87.4 | Fine for body text |
| #434E82 text on black | 2.65:1 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E6E9F4
oklch(93.5% 0.015 273.8)
-
Step 200
200
#D3D8EC
oklch(88.4% 0.028 274.6)
-
Step 300
300
#B6BFE2
oklch(80.9% 0.05 273.9)
-
Step 400
400
#909DD4
oklch(70.6% 0.082 273.9)
-
Step 500
500
#7585C8
oklch(63.2% 0.103 272.9)
-
Step 600
600
#5E6DB5
oklch(55.5% 0.113 273.3)
-
Step 700
700
#4E5B9C
oklch(49.1% 0.105 273.4)
-
Step 800
800 (this color)
#434E82
oklch(43.9% 0.087 273.3)
-
Step 900
900
#363F65
oklch(37.8% 0.066 272.7)
-
Step 950
950
#20253B
oklch(27.1% 0.042 273.5)
#434E82 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) | #3A5484 | 0.019 |
| Deuteranopia (no green cones) | #354F81 | 0.018 |
| Tritanopia (no blue cones) | #2C5961 | 0.078 |
| Achromatopsia (no color) | #515151 | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #434E82
#434E82
oklch(43.9% 0.087 273.3)
- #635107
#635107
oklch(44.1% 0.087 93.4)
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 #434E82, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.024
- Dusk #4E5481 ΔE 0.026
- Dusk Blue #26538D ΔE 0.036
- Light Navy Blue #2E5A88 ΔE 0.039
- Denim Blue #3B5B92 ΔE 0.041
- YInMn Blue #415A77 ΔE 0.044
- Light Navy #155084 ΔE 0.046
- Dusty Grape #545775 ΔE 0.047
Use #434E82 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.