#5F77DB#5F77DB

#5F77DB is a mid, vivid blue. Relative luminance 0.207; OKLCH L 59.9% C 0.154 H 271.0°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#5F77DB
RGB	rgb(95, 119, 219)
HSL	hsl(228, 63%, 62%)
HSV	hsv(228, 57%, 86%)
CMYK	cmyk(56.6%, 45.7%, 0%, 14.1%)
CIE-LAB	lab(52.66, 20.50, -54.01)
CIE-LCH	lch(52.66, 57.77, 290.78°)
OKLab	oklab(59.95% 0.0026 -0.154)
OKLCH	oklch(59.95% 0.154 271)
XYZ	xyz(24.0981, 20.7392, 69.7373)
Luminance	0.2074 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5F77DB #DBC35F

analogous

#5FB5DB #5F77DB #855FDB

triadic

#5F77DB #DB5F77 #77DB5F

tetradic

#5F77DB #DB5FB5 #DBC35F #5FDB85

square

#5F77DB #DB5FB5 #DBC35F #5FDB85

split-complementary

#5F77DB #DB855F #B5DB5F

monochromatic

#233B9C #2E4DCE #5F77DB #91A1E6 #C3CCF1

Accessibility & contrast

On white

4.08

#5F77DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#5F77DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5F77DB

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5F77DB	#FFFFFF	#000000	##000000
##5F77DB	1.00	4.08	5.15	5.15
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4983DF

Deuteranopia (green-blind)

#3879D9

Tritanopia (blue-blind)

#098D9E

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #5f77db;
/* rgb */ color: rgb(95, 119, 219);
/* oklch */ color: oklch(59.9% 0.154 271.0);

Tailwind

colors: {
  custom: {
    50: '#969de7',
    500: '#5f77db',
    950: '#000000',
  },
}

SCSS

$custom: #5f77db;
$custom-light: #969de7;
$custom-dark: #000000;

JSON

{
  "hex": "#5f77db",
  "rgb": {
    "r": 95,
    "g": 119,
    "b": 219
  },
  "hsl": {
    "h": 228.387,
    "s": 63.265,
    "l": 61.569
  },
  "oklch": {
    "l": 0.59947,
    "c": 0.15399,
    "h": 271
  },
  "luminance": 0.20741
}

Semantic roles & 50–950 ramp

primary

#5F77DB

secondary

#E2D9B4

accent

#A91ACB

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #5F77DB

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

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