#30639E#30639E

#30639E is a mid, moderate cyan. Relative luminance 0.120; OKLCH L 49.4% C 0.110 H 253.7°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#30639E
RGB	rgb(48, 99, 158)
HSL	hsl(212, 53%, 40%)
HSV	hsv(212, 70%, 62%)
CMYK	cmyk(69.6%, 37.3%, 0%, 38%)
CIE-LAB	lab(41.25, 3.03, -37.03)
CIE-LCH	lch(41.25, 37.16, 274.68°)
OKLab	oklab(49.39% -0.0307 -0.1053)
OKLCH	oklch(49.39% 0.11 253.7)
XYZ	xyz(11.8501, 12.0194, 34.0366)
Luminance	0.1202 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30639E #9E6B30

analogous

#309A9E #30639E #34309E

triadic

#30639E #9E3063 #639E30

tetradic

#30639E #9E309A #9E6B30 #309E34

square

#30639E #9E309A #9E6B30 #309E34

split-complementary

#30639E #9E3430 #9A9E30

monochromatic

#132840 #22466F #30639E #4581C6 #74A1D5

Accessibility & contrast

On white

6.17

#30639E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#30639E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #30639E

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30639E	#FFFFFF	#000000	##FFFFFF
##30639E	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4967A0

Deuteranopia (green-blind)

#395D9D

Tritanopia (blue-blind)

#007179

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #30639e;
/* rgb */ color: rgb(48, 99, 158);
/* oklch */ color: oklch(49.4% 0.110 253.7);

Tailwind

colors: {
  custom: {
    50: '#758fbb',
    500: '#30639e',
    950: '#000000',
  },
}

SCSS

$custom: #30639e;
$custom-light: #758fbb;
$custom-dark: #000000;

JSON

{
  "hex": "#30639e",
  "rgb": {
    "r": 48,
    "g": 99,
    "b": 158
  },
  "hsl": {
    "h": 212.182,
    "s": 53.398,
    "l": 40.392
  },
  "oklch": {
    "l": 0.49389,
    "c": 0.10968,
    "h": 253.7
  },
  "luminance": 0.12021
}

Semantic roles & 50–950 ramp

primary

#30639E

secondary

#BD986D

accent

#994BDD

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#090C12

muted

#7B7D81

Preview Lab

Preview with #30639E

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

Preview Lab → · Contrast checker → · Palette generator →