#4380B1#4380B1

#4380B1 is a mid, moderate cyan. Relative luminance 0.198; OKLCH L 58.1% C 0.099 H 244.9°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#4380B1
RGB	rgb(67, 128, 177)
HSL	hsl(207, 45%, 48%)
HSV	hsv(207, 62%, 69%)
CMYK	cmyk(62.1%, 27.7%, 0%, 30.6%)
CIE-LAB	lab(51.62, -4.49, -31.80)
CIE-LCH	lch(51.62, 32.12, 261.97°)
OKLab	oklab(58.05% -0.0418 -0.0895)
OKLCH	oklch(58.05% 0.099 244.9)
XYZ	xyz(17.9668, 19.8042, 44.4622)
Luminance	0.1981 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4380B1 #B17443

analogous

#43B1AB #4380B1 #4349B1

triadic

#4380B1 #B14380 #80B143

tetradic

#4380B1 #AB43B1 #B17443 #49B143

square

#4380B1 #AB43B1 #B17443 #49B143

split-complementary

#4380B1 #B14349 #B1AB43

monochromatic

#214058 #326085 #4380B1 #6A9EC7 #97BBD8

Accessibility & contrast

On white

4.23

#4380B1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#4380B1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4380B1

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4380B1	#FFFFFF	#000000	##000000
##4380B1	1.00	4.23	4.96	4.96
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B81B3

Deuteranopia (green-blind)

#5C76B0

Tritanopia (blue-blind)

#008C91

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #4380b1;
/* rgb */ color: rgb(67, 128, 177);
/* oklch */ color: oklch(58.1% 0.099 244.9);

Tailwind

colors: {
  custom: {
    50: '#81a4c8',
    500: '#4380b1',
    950: '#000000',
  },
}

SCSS

$custom: #4380b1;
$custom-light: #81a4c8;
$custom-dark: #000000;

JSON

{
  "hex": "#4380b1",
  "rgb": {
    "r": 67,
    "g": 128,
    "b": 177
  },
  "hsl": {
    "h": 206.727,
    "s": 45.082,
    "l": 47.843
  },
  "oklch": {
    "l": 0.58051,
    "c": 0.09879,
    "h": 244.9
  },
  "luminance": 0.19806
}

Semantic roles & 50–950 ramp

primary

#4380B1

secondary

#C3A58C

accent

#8D53D5

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #4380B1

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

Preview Lab → · Contrast checker → · Palette generator →