#4F81BD#4F81BD

#4F81BD is a mid, moderate cyan. Relative luminance 0.210; OKLCH L 59.5% C 0.107 H 253.9°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#4F81BD
RGB	rgb(79, 129, 189)
HSL	hsl(213, 45%, 53%)
HSV	hsv(213, 58%, 74%)
CMYK	cmyk(58.2%, 31.7%, 0%, 25.9%)
CIE-LAB	lab(52.99, 1.30, -36.51)
CIE-LCH	lch(52.99, 36.53, 272.04°)
OKLab	oklab(59.46% -0.0297 -0.103)
OKLCH	oklch(59.46% 0.107 253.9)
XYZ	xyz(20.2567, 21.0351, 51.1269)
Luminance	0.2104 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F81BD #BD8B4F

analogous

#4FB8BD #4F81BD #544FBD

triadic

#4F81BD #BD4F81 #81BD4F

tetradic

#4F81BD #BD4FB8 #BD8B4F #4FBD54

square

#4F81BD #BD4FB8 #BD8B4F #4FBD54

split-complementary

#4F81BD #BD544F #B8BD4F

monochromatic

#28466A #386396 #4F81BD #7CA1CE #A8C1DE

Accessibility & contrast

On white

4.03

#4F81BD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.21

#4F81BD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F81BD

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F81BD	#FFFFFF	#000000	##000000
##4F81BD	1.00	4.03	5.21	5.21
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.21	21.00	1.00	1.00
##000000	5.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6884C0

Deuteranopia (green-blind)

#5A7ABC

Tritanopia (blue-blind)

#008F96

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #4f81bd;
/* rgb */ color: rgb(79, 129, 189);
/* oklch */ color: oklch(59.5% 0.107 253.9);

Tailwind

colors: {
  custom: {
    50: '#89a5d1',
    500: '#4f81bd',
    950: '#000000',
  },
}

SCSS

$custom: #4f81bd;
$custom-light: #89a5d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4f81bd",
  "rgb": {
    "r": 79,
    "g": 129,
    "b": 189
  },
  "hsl": {
    "h": 212.727,
    "s": 45.455,
    "l": 52.549
  },
  "oklch": {
    "l": 0.59456,
    "c": 0.10716,
    "h": 253.9
  },
  "luminance": 0.21037
}

Semantic roles & 50–950 ramp

primary

#4F81BD

secondary

#CCB69C

accent

#9A53D5

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #4F81BD

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

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