#23557B#23557B

#23557B is a dark, moderate cyan. Relative luminance 0.083; OKLCH L 43.4% C 0.083 H 244.4°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#23557B
RGB	rgb(35, 85, 123)
HSL	hsl(206, 56%, 31%)
HSV	hsv(206, 72%, 48%)
CMYK	cmyk(71.5%, 30.9%, 0%, 51.8%)
CIE-LAB	lab(34.57, -3.35, -26.39)
CIE-LCH	lch(34.57, 26.60, 262.76°)
OKLab	oklab(43.4% -0.0356 -0.0746)
OKLCH	oklch(43.4% 0.083 244.4)
XYZ	xyz(7.5154, 8.2836, 19.9379)
Luminance	0.0828 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#23557B #7B4923

analogous

#237B75 #23557B #23297B

triadic

#23557B #7B2355 #557B23

tetradic

#23557B #75237B #7B4923 #297B23

square

#23557B #75237B #7B4923 #297B23

split-complementary

#23557B #7B2329 #7B7523

monochromatic

#08131C #15344B #23557B #3176AB #4C95CC

Accessibility & contrast

On white

7.90

#23557B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#23557B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #23557B

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##23557B	#FFFFFF	#000000	##FFFFFF
##23557B	1.00	7.90	2.66	7.90
#FFFFFF	7.90	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#44567D

Deuteranopia (green-blind)

#384D7A

Tritanopia (blue-blind)

#005E62

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #23557b;
/* rgb */ color: rgb(35, 85, 123);
/* oklch */ color: oklch(43.4% 0.083 244.4);

Tailwind

colors: {
  custom: {
    50: '#6984a1',
    500: '#23557b',
    950: '#000000',
  },
}

SCSS

$custom: #23557b;
$custom-light: #6984a1;
$custom-dark: #000000;

JSON

{
  "hex": "#23557b",
  "rgb": {
    "r": 35,
    "g": 85,
    "b": 123
  },
  "hsl": {
    "h": 205.909,
    "s": 55.696,
    "l": 30.98
  },
  "oklch": {
    "l": 0.43402,
    "c": 0.08265,
    "h": 244.4
  },
  "luminance": 0.08284
}

Semantic roles & 50–950 ramp

primary

#23557B

secondary

#AE764C

accent

#8A49DF

background

#F6F8F9

surface

#EBEFF2

border

#C6CACC

text

#070A0F

muted

#7A7C7E

Preview Lab

Preview with #23557B

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

Preview Lab → · Contrast checker → · Palette generator →