#435BD3
Closest named color: Warm Blue (#4B57DB). oklch(52.3% 0.186 270.1), rgb(67, 91, 211).
Aa
White text reads best on this color (5.71:1).
About this color
#435BD3 is a medium-dark, vivid blue. In OKLCH its lightness is 52%, its chroma 0.186 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.018 away. White text reads best on it, at 5.71:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.186) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.67:1 |
| White text | 5.71:1 |
Values
| HEX | #435BD3 |
| RGB | rgb(67, 91, 211) |
| HSL | hsl(230, 62%, 55%) |
| OKLCH | oklch(52.3% 0.186 270.1) |
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 #435BD3 | 5.71:1 | AA | Lc -83.4 | Fine for body text |
| Black text on #435BD3 | 3.67:1 | AA large text | Lc 25.9 | Dividers and decoration only |
| #435BD3 text on white | 5.71:1 | AA | Lc 78.1 | Fine for body text |
| #435BD3 text on black | 3.67:1 | AA large text | Lc -23.7 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E3E9FC
oklch(93.5% 0.027 271.9)
-
Step 200
200
#CCD8FB
oklch(88.4% 0.05 270.4)
-
Step 300
300
#AABEFC
oklch(80.9% 0.091 270.5)
-
Step 400
400
#7E9AFA
oklch(70.7% 0.144 270.1)
-
Step 500
500
#607DF7
oklch(63% 0.184 270.3)
-
Step 600
600
#4963E6
oklch(55.6% 0.2 270.1)
-
Step 700
700 (this color)
#435BD3
oklch(52.3% 0.186 270.1)
-
Step 800
800
#3143A2
oklch(42.7% 0.154 270.4)
-
Step 900
900
#2A3A80
oklch(37.7% 0.119 270.1)
-
Step 950
950
#18234B
oklch(27.1% 0.075 269.3)
#435BD3 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) | #006DD7 | 0.052 |
| Deuteranopia (no green cones) | #0060D1 | 0.041 |
| Tritanopia (no blue cones) | #00788E | 0.151 |
| Achromatopsia (no color) | #666666 | 0.187 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #435BD3
#435BD3
oklch(52.3% 0.186 270.1)
- #826600
#826600
oklch(52.3% 0.107 89.8)
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 #435BD3, closest first.
No curated palette has a color within ΔE 0.04 of #435BD3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.018
- Royal Blue #4169E1 ΔE 0.039
- Neon Blue #4361EE ΔE 0.043
- Iris #6258C4 ΔE 0.047
- Azul #1D5DEC ΔE 0.048
- Dark Periwinkle #665FD1 ΔE 0.049
- Slate Blue #6A5ACD ΔE 0.054
- Light Indigo #6D5ACF ΔE 0.058
Use #435BD3 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.