#1E638B#1E638B

#1E638B is a mid, moderate cyan. Relative luminance 0.111; OKLCH L 47.7% C 0.093 H 239.0°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#1E638B
RGB	rgb(30, 99, 139)
HSL	hsl(202, 64%, 33%)
HSV	hsv(202, 78%, 55%)
CMYK	cmyk(78.4%, 28.8%, 0%, 45.5%)
CIE-LAB	lab(39.69, -6.72, -28.15)
CIE-LCH	lch(39.69, 28.94, 256.56°)
OKLab	oklab(47.68% -0.0478 -0.0796)
OKLCH	oklch(47.68% 0.093 239)
XYZ	xyz(9.6556, 11.0626, 26.0475)
Luminance	0.1106 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1E638B #8B461E

analogous

#1E8B7C #1E638B #1E2D8B

triadic

#1E638B #8B1E63 #638B1E

tetradic

#1E638B #7C1E8B #8B461E #2D8B1E

square

#1E638B #7C1E8B #8B461E #2D8B1E

split-complementary

#1E638B #8B1E2D #8B7C1E

monochromatic

#081B26 #133F59 #1E638B #2987BD #4BA4D8

Accessibility & contrast

On white

6.54

#1E638B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#1E638B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1E638B

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1E638B	#FFFFFF	#000000	##FFFFFF
##1E638B	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#50638D

Deuteranopia (green-blind)

#41598A

Tritanopia (blue-blind)

#006D71

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #1e638b;
/* rgb */ color: rgb(30, 99, 139);
/* oklch */ color: oklch(47.7% 0.093 239.0);

Tailwind

colors: {
  custom: {
    50: '#6b8fad',
    500: '#1e638b',
    950: '#000000',
  },
}

SCSS

$custom: #1e638b;
$custom-light: #6b8fad;
$custom-dark: #000000;

JSON

{
  "hex": "#1e638b",
  "rgb": {
    "r": 30,
    "g": 99,
    "b": 139
  },
  "hsl": {
    "h": 202.018,
    "s": 64.497,
    "l": 33.137
  },
  "oklch": {
    "l": 0.47675,
    "c": 0.09282,
    "h": 239
  },
  "luminance": 0.11064
}

Semantic roles & 50–950 ramp

primary

#1E638B

secondary

#BB734A

accent

#7E40E7

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #1E638B

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

Preview Lab → · Contrast checker → · Palette generator →