#4380DF#4380DF

#4380DF is a mid, vivid blue. Relative luminance 0.220; OKLCH L 60.7% C 0.158 H 259.0°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#4380DF
RGB	rgb(67, 128, 223)
HSL	hsl(217, 71%, 57%)
HSV	hsv(217, 70%, 87%)
CMYK	cmyk(70%, 42.6%, 0%, 12.5%)
CIE-LAB	lab(53.98, 11.50, -54.23)
CIE-LCH	lch(53.98, 55.44, 281.97°)
OKLab	oklab(60.67% -0.0301 -0.155)
OKLCH	oklch(60.67% 0.158 259)
XYZ	xyz(23.3484, 21.9569, 72.8053)
Luminance	0.2196 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4380DF #DFA243

analogous

#43CEDF #4380DF #5443DF

triadic

#4380DF #DF4380 #80DF43

tetradic

#4380DF #DF43CE #DFA243 #43DF54

square

#4380DF #DF43CE #DFA243 #43DF54

split-complementary

#4380DF #DF5443 #CEDF43

monochromatic

#18478F #2161C4 #4380DF #77A3E8 #ACC7F1

Accessibility & contrast

On white

3.89

#4380DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#4380DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4380DF

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4380DF	#FFFFFF	#000000	##000000
##4380DF	1.00	3.89	5.39	5.39
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5289E3

Deuteranopia (green-blind)

#377ADD

Tritanopia (blue-blind)

#0096A5

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #4380df;
/* rgb */ color: rgb(67, 128, 223);
/* oklch */ color: oklch(60.7% 0.158 259.0);

Tailwind

colors: {
  custom: {
    50: '#89a4e9',
    500: '#4380df',
    950: '#000000',
  },
}

SCSS

$custom: #4380df;
$custom-light: #89a4e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4380df",
  "rgb": {
    "r": 67,
    "g": 128,
    "b": 223
  },
  "hsl": {
    "h": 216.538,
    "s": 70.909,
    "l": 56.863
  },
  "oklch": {
    "l": 0.60671,
    "c": 0.1579,
    "h": 259
  },
  "luminance": 0.21959
}

Semantic roles & 50–950 ramp

primary

#4380DF

secondary

#DFC69F

accent

#A73AEE

background

#F9FAFE

surface

#F1F3FD

border

#CBCDD5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4380DF

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →