#4B81BF#4B81BF

#4B81BF is a mid, moderate cyan. Relative luminance 0.210; OKLCH L 59.4% C 0.112 H 253.1°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#4B81BF
RGB	rgb(75, 129, 191)
HSL	hsl(212, 48%, 52%)
HSV	hsv(212, 61%, 75%)
CMYK	cmyk(60.7%, 32.5%, 0%, 25.1%)
CIE-LAB	lab(52.90, 1.16, -37.80)
CIE-LCH	lch(52.90, 37.82, 271.76°)
OKLab	oklab(59.37% -0.0325 -0.1068)
OKLCH	oklch(59.37% 0.112 253.1)
XYZ	xyz(20.1525, 20.9561, 52.2630)
Luminance	0.2096 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B81BF #BF894B

analogous

#4BBBBF #4B81BF #4F4BBF

triadic

#4B81BF #BF4B81 #81BF4B

tetradic

#4B81BF #BF4BBB #BF894B #4BBF4F

square

#4B81BF #BF4BBB #BF894B #4BBF4F

split-complementary

#4B81BF #BF4F4B #BBBF4B

monochromatic

#26456A #366397 #4B81BF #78A1CF #A5C0DF

Accessibility & contrast

On white

4.04

#4B81BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#4B81BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B81BF

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B81BF	#FFFFFF	#000000	##000000
##4B81BF	1.00	4.04	5.19	5.19
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6784C2

Deuteranopia (green-blind)

#5779BE

Tritanopia (blue-blind)

#008F97

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #4b81bf;
/* rgb */ color: rgb(75, 129, 191);
/* oklch */ color: oklch(59.4% 0.112 253.1);

Tailwind

colors: {
  custom: {
    50: '#87a5d2',
    500: '#4b81bf',
    950: '#000000',
  },
}

SCSS

$custom: #4b81bf;
$custom-light: #87a5d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4b81bf",
  "rgb": {
    "r": 75,
    "g": 129,
    "b": 191
  },
  "hsl": {
    "h": 212.069,
    "s": 47.541,
    "l": 52.157
  },
  "oklch": {
    "l": 0.5937,
    "c": 0.11161,
    "h": 253.1
  },
  "luminance": 0.20958
}

Semantic roles & 50–950 ramp

primary

#4B81BF

secondary

#CCB59A

accent

#9951D7

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #4B81BF

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

Preview Lab → · Contrast checker → · Palette generator →