#1F628B#1F628B

#1F628B is a mid, moderate cyan. Relative luminance 0.109; OKLCH L 47.5% C 0.093 H 240.2°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#1F628B
RGB	rgb(31, 98, 139)
HSL	hsl(203, 64%, 33%)
HSV	hsv(203, 78%, 55%)
CMYK	cmyk(77.7%, 29.5%, 0%, 45.5%)
CIE-LAB	lab(39.39, -5.99, -28.60)
CIE-LCH	lch(39.39, 29.22, 258.18°)
OKLab	oklab(47.45% -0.0463 -0.0809)
OKLCH	oklch(47.45% 0.093 240.2)
XYZ	xyz(9.5911, 10.8896, 26.0175)
Luminance	0.1089 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F628B #8B481F

analogous

#1F8B7E #1F628B #1F2C8B

triadic

#1F628B #8B1F62 #628B1F

tetradic

#1F628B #7E1F8B #8B481F #2C8B1F

square

#1F628B #7E1F8B #8B481F #2C8B1F

split-complementary

#1F628B #8B1F2C #8B7E1F

monochromatic

#091B27 #143F59 #1F628B #2A85BD #4DA3D7

Accessibility & contrast

On white

6.61

#1F628B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#1F628B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F628B

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F628B	#FFFFFF	#000000	##FFFFFF
##1F628B	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F628D

Deuteranopia (green-blind)

#40588A

Tritanopia (blue-blind)

#006C70

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #1f628b;
/* rgb */ color: rgb(31, 98, 139);
/* oklch */ color: oklch(47.5% 0.093 240.2);

Tailwind

colors: {
  custom: {
    50: '#6b8ead',
    500: '#1f628b',
    950: '#000000',
  },
}

SCSS

$custom: #1f628b;
$custom-light: #6b8ead;
$custom-dark: #000000;

JSON

{
  "hex": "#1f628b",
  "rgb": {
    "r": 31,
    "g": 98,
    "b": 139
  },
  "hsl": {
    "h": 202.778,
    "s": 63.529,
    "l": 33.333
  },
  "oklch": {
    "l": 0.47451,
    "c": 0.09319,
    "h": 240.2
  },
  "luminance": 0.10891
}

Semantic roles & 50–950 ramp

primary

#1F628B

secondary

#BA764C

accent

#8041E7

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #1F628B

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

Preview Lab → · Contrast checker → · Palette generator →