#1B657E#1B657E

#1B657E is a mid, moderate cyan. Relative luminance 0.110; OKLCH L 47.4% C 0.080 H 225.4°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#1B657E
RGB	rgb(27, 101, 126)
HSL	hsl(195, 65%, 30%)
HSV	hsv(195, 79%, 49%)
CMYK	cmyk(78.6%, 19.8%, 0%, 50.6%)
CIE-LAB	lab(39.66, -13.11, -20.32)
CIE-LCH	lch(39.66, 24.18, 237.17°)
OKLab	oklab(47.43% -0.0562 -0.057)
OKLCH	oklch(47.43% 0.08 225.4)
XYZ	xyz(8.8700, 11.0457, 21.3992)
Luminance	0.1105 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B657E #7E341B

analogous

#1B7E66 #1B657E #1B337E

triadic

#1B657E #7E1B65 #657E1B

tetradic

#1B657E #661B7E #7E341B #337E1B

square

#1B657E #661B7E #7E341B #337E1B

split-complementary

#1B657E #7E1B33 #7E661B

monochromatic

#051419 #103D4C #1B657E #268DB0 #3EAFD6

Accessibility & contrast

On white

6.54

#1B657E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#1B657E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B657E

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B657E	#FFFFFF	#000000	##FFFFFF
##1B657E	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)

#57637F

Deuteranopia (green-blind)

#4A597E

Tritanopia (blue-blind)

#006C6D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #1b657e;
/* rgb */ color: rgb(27, 101, 126);
/* oklch */ color: oklch(47.4% 0.080 225.4);

Tailwind

colors: {
  custom: {
    50: '#6891a3',
    500: '#1b657e',
    950: '#000000',
  },
}

SCSS

$custom: #1b657e;
$custom-light: #6891a3;
$custom-dark: #000000;

JSON

{
  "hex": "#1b657e",
  "rgb": {
    "r": 27,
    "g": 101,
    "b": 126
  },
  "hsl": {
    "h": 195.152,
    "s": 64.706,
    "l": 30
  },
  "oklch": {
    "l": 0.47433,
    "c": 0.08003,
    "h": 225.4
  },
  "luminance": 0.11047
}

Semantic roles & 50–950 ramp

primary

#1B657E

secondary

#B25F43

accent

#6A40E8

background

#F6F8FA

surface

#EBF0F3

border

#C6CBCD

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #1B657E

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

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