#4363C8
Closest named color: Royal Blue (#4169E1). oklch(53.1% 0.161 267.4), rgb(67, 99, 200).
Aa
White text reads best on this color (5.44:1).
About this color
#4363C8 is a medium-dark, vivid blue. In OKLCH its lightness is 53%, its chroma 0.161 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.040 away. White text reads best on it, at 5.44:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.161) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 3.85:1 |
| White text | 5.44:1 |
Values
| HEX | #4363C8 |
| RGB | rgb(67, 99, 200) |
| HSL | hsl(226, 55%, 52%) |
| OKLCH | oklch(53.1% 0.161 267.4) |
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 #4363C8 | 5.44:1 | AA | Lc -82.1 | Fine for body text |
| Black text on #4363C8 | 3.85:1 | AA large text | Lc 27.3 | Dividers and decoration only |
| #4363C8 text on white | 5.44:1 | AA | Lc 76.8 | Fine for body text |
| #4363C8 text on black | 3.85:1 | AA large text | Lc -24.9 | 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 600.
-
Step 50
50
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E4EAF8
oklch(93.7% 0.02 267.3)
-
Step 200
200
#CDD9F5
oklch(88.5% 0.041 267.1)
-
Step 300
300
#ACC0F1
oklch(81% 0.073 267.4)
-
Step 400
400
#819EE9
oklch(70.8% 0.115 267.3)
-
Step 500
500
#6283E3
oklch(63% 0.149 267.7)
-
Step 600
600 (this color)
#4363C8
oklch(53.1% 0.161 267.4)
-
Step 700
700
#3B58B5
oklch(49% 0.151 267.5)
-
Step 800
800
#314992
oklch(42.7% 0.124 267.3)
-
Step 900
900
#2B3E75
oklch(37.8% 0.097 267.3)
-
Step 950
950
#192444
oklch(26.9% 0.062 267.8)
#4363C8 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) | #2870CC | 0.037 |
| Deuteranopia (no green cones) | #0064C6 | 0.040 |
| Tritanopia (no blue cones) | #007B8C | 0.134 |
| Achromatopsia (no color) | #6A6A6A | 0.161 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4363C8
#4363C8
oklch(53.1% 0.161 267.4)
- #876700
#876700
oklch(53.1% 0.109 87.2)
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 #4363C8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.040
- Warm Blue #4B57DB ΔE 0.043
- Iris #6258C4 ΔE 0.045
- Mid Blue #276AB3 ΔE 0.047
- Dark Periwinkle #665FD1 ΔE 0.048
- French Blue #436BAD ΔE 0.051
- Slate Blue #6A5ACD ΔE 0.055
- Neon Blue #4361EE ΔE 0.059
Use #4363C8 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.