#1E639B#1E639B

#1E639B is a mid, moderate cyan. Relative luminance 0.116; OKLCH L 48.6% C 0.112 H 247.6°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#1E639B
RGB	rgb(30, 99, 155)
HSL	hsl(207, 68%, 36%)
HSV	hsv(207, 81%, 61%)
CMYK	cmyk(80.6%, 36.1%, 0%, 39.2%)
CIE-LAB	lab(40.52, -0.60, -36.44)
CIE-LCH	lch(40.52, 36.44, 269.06°)
OKLab	oklab(48.6% -0.0427 -0.1037)
OKLCH	oklch(48.6% 0.112 247.6)
XYZ	xyz(10.9114, 11.5649, 32.6612)
Luminance	0.1157 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E639B #9B561E

analogous

#1E9B95 #1E639B #1E259B

triadic

#1E639B #9B1E63 #639B1E

tetradic

#1E639B #951E9B #9B561E #259B1E

square

#1E639B #951E9B #9B561E #259B1E

split-complementary

#1E639B #9B1E25 #9B951E

monochromatic

#0A2234 #144268 #1E639B #2884CE #55A1DE

Accessibility & contrast

On white

6.34

#1E639B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#1E639B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1E639B

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E639B	#FFFFFF	#000000	##FFFFFF
##1E639B	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49669D

Deuteranopia (green-blind)

#365A9A

Tritanopia (blue-blind)

#007077

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #1e639b;
/* rgb */ color: rgb(30, 99, 155);
/* oklch */ color: oklch(48.6% 0.112 247.6);

Tailwind

colors: {
  custom: {
    50: '#6e8fb9',
    500: '#1e639b',
    950: '#000000',
  },
}

SCSS

$custom: #1e639b;
$custom-light: #6e8fb9;
$custom-dark: #000000;

JSON

{
  "hex": "#1e639b",
  "rgb": {
    "r": 30,
    "g": 99,
    "b": 155
  },
  "hsl": {
    "h": 206.88,
    "s": 67.568,
    "l": 36.275
  },
  "oklch": {
    "l": 0.48603,
    "c": 0.11221,
    "h": 247.6
  },
  "luminance": 0.11566
}

Semantic roles & 50–950 ramp

primary

#1E639B

secondary

#C28553

accent

#8B3DEA

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#080C11

muted

#7B7D80

Preview Lab

Preview with #1E639B

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

Preview Lab → · Contrast checker → · Palette generator →