#1F657B#1F657B

#1F657B is a mid, moderate cyan. Relative luminance 0.110; OKLCH L 47.4% C 0.076 H 223.1°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#1F657B
RGB	rgb(31, 101, 123)
HSL	hsl(194, 60%, 30%)
HSV	hsv(194, 75%, 48%)
CMYK	cmyk(74.8%, 17.9%, 0%, 51.8%)
CIE-LAB	lab(39.63, -13.64, -18.53)
CIE-LCH	lch(39.63, 23.01, 233.65°)
OKLab	oklab(47.4% -0.0555 -0.0518)
OKLCH	oklch(47.4% 0.076 223.1)
XYZ	xyz(8.7924, 11.0277, 20.4002)
Luminance	0.1103 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F657B #7B351F

analogous

#1F7B63 #1F657B #1F377B

triadic

#1F657B #7B1F65 #657B1F

tetradic

#1F657B #631F7B #7B351F #377B1F

square

#1F657B #631F7B #7B351F #377B1F

split-complementary

#1F657B #7B1F37 #7B631F

monochromatic

#061519 #133D4A #1F657B #2B8DAC #44AFD0

Accessibility & contrast

On white

6.55

#1F657B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#1F657B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1F657B

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F657B	#FFFFFF	#000000	##FFFFFF
##1F657B	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58637C

Deuteranopia (green-blind)

#4C597B

Tritanopia (blue-blind)

#006C6C

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #1f657b;
/* rgb */ color: rgb(31, 101, 123);
/* oklch */ color: oklch(47.4% 0.076 223.1);

Tailwind

colors: {
  custom: {
    50: '#6991a1',
    500: '#1f657b',
    950: '#000000',
  },
}

SCSS

$custom: #1f657b;
$custom-light: #6991a1;
$custom-dark: #000000;

JSON

{
  "hex": "#1f657b",
  "rgb": {
    "r": 31,
    "g": 101,
    "b": 123
  },
  "hsl": {
    "h": 194.348,
    "s": 59.74,
    "l": 30.196
  },
  "oklch": {
    "l": 0.47395,
    "c": 0.07593,
    "h": 223.1
  },
  "luminance": 0.11029
}

Semantic roles & 50–950 ramp

primary

#1F657B

secondary

#AE6048

accent

#6B45E3

background

#F6F8F9

surface

#ECF0F2

border

#C7CBCC

text

#070C0F

muted

#7A7D7E

Preview Lab

Preview with #1F657B

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

Preview Lab → · Contrast checker → · Palette generator →