#1B657A#1B657A

#1B657A is a mid, moderate cyan. Relative luminance 0.109; OKLCH L 47.2% C 0.077 H 221.3°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#1B657A
RGB	rgb(27, 101, 122)
HSL	hsl(193, 64%, 29%)
HSV	hsv(193, 78%, 48%)
CMYK	cmyk(77.9%, 17.2%, 0%, 52.2%)
CIE-LAB	lab(39.49, -14.55, -18.15)
CIE-LCH	lch(39.49, 23.26, 231.28°)
OKLab	oklab(47.24% -0.0578 -0.0508)
OKLCH	oklch(47.24% 0.077 221.3)
XYZ	xyz(8.6171, 10.9445, 20.0669)
Luminance	0.1095 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B657A #7A301B

analogous

#1B7A60 #1B657A #1B367A

triadic

#1B657A #7A1B65 #657A1B

tetradic

#1B657A #601B7A #7A301B #367A1B

square

#1B657A #601B7A #7A301B #367A1B

split-complementary

#1B657A #7A1B36 #7A601B

monochromatic

#061519 #103C48 #1B657A #268EAC #3CB2D4

Accessibility & contrast

On white

6.58

#1B657A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#1B657A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B657A

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B657A	#FFFFFF	#000000	##FFFFFF
##1B657A	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)

#59627B

Deuteranopia (green-blind)

#4C597A

Tritanopia (blue-blind)

#006C6C

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #1b657a;
/* rgb */ color: rgb(27, 101, 122);
/* oklch */ color: oklch(47.2% 0.077 221.3);

Tailwind

colors: {
  custom: {
    50: '#6791a0',
    500: '#1b657a',
    950: '#000000',
  },
}

SCSS

$custom: #1b657a;
$custom-light: #6791a0;
$custom-dark: #000000;

JSON

{
  "hex": "#1b657a",
  "rgb": {
    "r": 27,
    "g": 101,
    "b": 122
  },
  "hsl": {
    "h": 193.263,
    "s": 63.758,
    "l": 29.216
  },
  "oklch": {
    "l": 0.4724,
    "c": 0.07697,
    "h": 221.3
  },
  "luminance": 0.10946
}

Semantic roles & 50–950 ramp

primary

#1B657A

secondary

#AE5A43

accent

#6641E7

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070C0E

muted

#7A7D7E

Preview Lab

Preview with #1B657A

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

Preview Lab → · Contrast checker → · Palette generator →