#1B628F#1B628F

#1B628F is a mid, moderate cyan. Relative luminance 0.110; OKLCH L 47.6% C 0.099 H 241.8°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#1B628F
RGB	rgb(27, 98, 143)
HSL	hsl(203, 68%, 33%)
HSV	hsv(203, 81%, 56%)
CMYK	cmyk(81.1%, 31.5%, 0%, 43.9%)
CIE-LAB	lab(39.50, -4.95, -30.86)
CIE-LCH	lch(39.50, 31.25, 260.89°)
OKLab	oklab(47.57% -0.0469 -0.0875)
OKLCH	oklch(47.57% 0.099 241.8)
XYZ	xyz(9.7757, 10.9504, 27.5797)
Luminance	0.1095 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B628F #8F481B

analogous

#1B8F82 #1B628F #1B288F

triadic

#1B628F #8F1B62 #628F1B

tetradic

#1B628F #821B8F #8F481B #288F1B

square

#1B628F #821B8F #8F481B #288F1B

split-complementary

#1B628F #8F1B28 #8F821B

monochromatic

#081B28 #113F5C #1B628F #2585C2 #48A3DC

Accessibility & contrast

On white

6.58

#1B628F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#1B628F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B628F

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B628F	#FFFFFF	#000000	##FFFFFF
##1B628F	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D6391

Deuteranopia (green-blind)

#3D588E

Tritanopia (blue-blind)

#006D72

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #1b628f;
/* rgb */ color: rgb(27, 98, 143);
/* oklch */ color: oklch(47.6% 0.099 241.8);

Tailwind

colors: {
  custom: {
    50: '#6b8eb0',
    500: '#1b628f',
    950: '#000000',
  },
}

SCSS

$custom: #1b628f;
$custom-light: #6b8eb0;
$custom-dark: #000000;

JSON

{
  "hex": "#1b628f",
  "rgb": {
    "r": 27,
    "g": 98,
    "b": 143
  },
  "hsl": {
    "h": 203.276,
    "s": 68.235,
    "l": 33.333
  },
  "oklch": {
    "l": 0.4757,
    "c": 0.09928,
    "h": 241.8
  },
  "luminance": 0.10952
}

Semantic roles & 50–950 ramp

primary

#1B628F

secondary

#BE7648

accent

#803DEB

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #1B628F

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

Preview Lab → · Contrast checker → · Palette generator →