#4351D2
Closest named color: Warm Blue (#4B57DB). oklch(50.4% 0.197 272.4), rgb(67, 81, 210).
Aa
White text reads best on this color (6.27:1).
About this color
#4351D2 is a medium-dark, vivid blue. In OKLCH its lightness is 50%, its chroma 0.197 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.023 away. White text reads best on it, at 6.27:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.197) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.34:1 |
| White text | 6.27:1 |
Values
| HEX | #4351D2 |
| RGB | rgb(67, 81, 210) |
| HSL | hsl(234, 61%, 54%) |
| OKLCH | oklch(50.4% 0.197 272.4) |
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 #4351D2 | 6.27:1 | AA | Lc -85.9 | Fine for body text |
| Black text on #4351D2 | 3.34:1 | AA large text | Lc 23.4 | Dividers and decoration only |
| #4351D2 text on white | 6.27:1 | AA | Lc 80.7 | Fine for body text |
| #4351D2 text on black | 3.34:1 | AA large text | Lc -21.1 | 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
#E3E9FD
oklch(93.5% 0.028 272.5)
-
Step 200
200
#CDD8FD
oklch(88.6% 0.052 272.2)
-
Step 300
300
#ABBDFF
oklch(80.9% 0.096 272.3)
-
Step 400
400
#8198FF
oklch(70.7% 0.153 272.5)
-
Step 500
500
#647AFD
oklch(63.1% 0.195 272.4)
-
Step 600
600
#4E5FEC
oklch(55.6% 0.211 272.3)
-
Step 700
700 (this color)
#4351D2
oklch(50.4% 0.197 272.4)
-
Step 800
800
#3440A6
oklch(42.7% 0.163 272.3)
-
Step 900
900
#2D3884
oklch(37.8% 0.127 272.6)
-
Step 950
950
#1A214D
oklch(26.9% 0.081 272.9)
#4351D2 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) | #0067D6 | 0.059 |
| Deuteranopia (no green cones) | #005ACF | 0.045 |
| Tritanopia (no blue cones) | #00728A | 0.160 |
| Achromatopsia (no color) | #606060 | 0.197 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4351D2
#4351D2
oklch(50.4% 0.197 272.4)
- #796200
#796200
oklch(50.4% 0.103 92.8)
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 #4351D2, closest first.
No curated palette has a color within ΔE 0.04 of #4351D2.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.023
- Blue With A Hint Of Purple #533CC6 ΔE 0.050
- Blurple #5539CC ΔE 0.052
- Azul #1D5DEC ΔE 0.054
- Iris #6258C4 ΔE 0.054
- Bluey Purple #6241C7 ΔE 0.056
- Neon Blue #4361EE ΔE 0.056
- Blue Blue #2242C7 ΔE 0.057
Use #4351D2 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.