#435399
Closest named color: Twilight (#4E518B). oklch(46.5% 0.115 271.6), rgb(67, 83, 153).
Aa
White text reads best on this color (7.15:1).
About this color
#435399 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 46%, its chroma 0.115 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.026 away. White text reads best on it, at 7.15:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | moderately saturated (0.115) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.93:1 |
| White text | 7.15:1 |
Values
| HEX | #435399 |
| RGB | rgb(67, 83, 153) |
| HSL | hsl(229, 39%, 43%) |
| OKLCH | oklch(46.5% 0.115 271.6) |
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 #435399 | 7.15:1 | AAA | Lc -89.6 | Fine for body text |
| Black text on #435399 | 2.93:1 | Fails | Lc 19.4 | Dividers and decoration only |
| #435399 text on white | 7.15:1 | AAA | Lc 84.6 | Fine for body text |
| #435399 text on black | 2.93:1 | Fails | Lc -17.4 | Dividers and decoration only |
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 700.
-
Step 50
50
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E6E9F5
oklch(93.5% 0.016 274.8)
-
Step 200
200
#D1D8EE
oklch(88.4% 0.031 271.7)
-
Step 300
300
#B3BFE5
oklch(80.8% 0.055 271.4)
-
Step 400
400
#8D9ED9
oklch(70.8% 0.089 271.6)
-
Step 500
500
#7184CE
oklch(63% 0.114 271.9)
-
Step 600
600
#5A6DBB
oklch(55.6% 0.123 271.6)
-
Step 700
700 (this color)
#435399
oklch(46.5% 0.115 271.6)
-
Step 800
800
#3D4A83
oklch(42.7% 0.096 272.1)
-
Step 900
900
#343E69
oklch(37.6% 0.075 272.4)
-
Step 950
950
#1E253D
oklch(27% 0.046 270.7)
#435399 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) | #345C9C | 0.028 |
| Deuteranopia (no green cones) | #295497 | 0.029 |
| Tritanopia (no blue cones) | #14626E | 0.102 |
| Achromatopsia (no color) | #585858 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #435399
#435399
oklch(46.5% 0.115 271.6)
- #6D5700
#6D5700
oklch(46.6% 0.095 91.7)
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 #435399, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.026
- Denim Blue #3B5B92 ΔE 0.028
- Dusky Blue #475F94 ΔE 0.038
- Dusk Blue #26538D ΔE 0.039
- Dusk #4E5481 ΔE 0.042
- Light Navy Blue #2E5A88 ΔE 0.044
- Blueberry #464196 ΔE 0.047
- Denim #3B638C ΔE 0.055
Use #435399 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.