#30639D#30639D

#30639D is a mid, moderate cyan. Relative luminance 0.120; OKLCH L 49.3% C 0.108 H 253.4°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#30639D
RGB	rgb(48, 99, 157)
HSL	hsl(212, 53%, 40%)
HSV	hsv(212, 69%, 62%)
CMYK	cmyk(69.4%, 36.9%, 0%, 38.4%)
CIE-LAB	lab(41.19, 2.66, -36.52)
CIE-LCH	lch(41.19, 36.62, 274.17°)
OKLab	oklab(49.33% -0.031 -0.1038)
OKLCH	oklch(49.33% 0.108 253.4)
XYZ	xyz(11.7643, 11.9852, 33.5851)
Luminance	0.1199 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30639D #9D6A30

analogous

#30999D #30639D #34309D

triadic

#30639D #9D3063 #639D30

tetradic

#30639D #9D3099 #9D6A30 #309D34

square

#30639D #9D3099 #9D6A30 #309D34

split-complementary

#30639D #9D3430 #999D30

monochromatic

#13283F #22456E #30639D #4481C6 #73A1D4

Accessibility & contrast

On white

6.18

#30639D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#30639D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #30639D

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30639D	#FFFFFF	#000000	##FFFFFF
##30639D	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49679F

Deuteranopia (green-blind)

#395C9C

Tritanopia (blue-blind)

#007178

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #30639d;
/* rgb */ color: rgb(48, 99, 157);
/* oklch */ color: oklch(49.3% 0.108 253.4);

Tailwind

colors: {
  custom: {
    50: '#758fba',
    500: '#30639d',
    950: '#000000',
  },
}

SCSS

$custom: #30639d;
$custom-light: #758fba;
$custom-dark: #000000;

JSON

{
  "hex": "#30639d",
  "rgb": {
    "r": 48,
    "g": 99,
    "b": 157
  },
  "hsl": {
    "h": 211.927,
    "s": 53.171,
    "l": 40.196
  },
  "oklch": {
    "l": 0.49329,
    "c": 0.10832,
    "h": 253.4
  },
  "luminance": 0.11986
}

Semantic roles & 50–950 ramp

primary

#30639D

secondary

#BC976D

accent

#994BDD

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#090C11

muted

#7B7D80

Preview Lab

Preview with #30639D

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

Preview Lab → · Contrast checker → · Palette generator →