#357DAB#357DAB

#357DAB is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.5% C 0.101 H 240.1°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#357DAB
RGB	rgb(53, 125, 171)
HSL	hsl(203, 53%, 44%)
HSV	hsv(203, 69%, 67%)
CMYK	cmyk(69%, 26.9%, 0%, 32.9%)
CIE-LAB	lab(49.93, -7.26, -31.00)
CIE-LCH	lch(49.93, 31.83, 256.82°)
OKLab	oklab(56.49% -0.0503 -0.0873)
OKLCH	oklch(56.49% 0.101 240.1)
XYZ	xyz(16.1497, 18.3627, 41.2134)
Luminance	0.1836 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357DAB #AB6335

analogous

#35AB9E #357DAB #3542AB

triadic

#357DAB #AB357D #7DAB35

tetradic

#357DAB #9E35AB #AB6335 #42AB35

square

#357DAB #9E35AB #AB6335 #42AB35

split-complementary

#357DAB #AB3542 #AB9E35

monochromatic

#18394E #275B7C #357DAB #539CCA #82B7D8

Accessibility & contrast

On white

4.49

#357DAB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.67

#357DAB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357DAB

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357DAB	#FFFFFF	#000000	##000000
##357DAB	1.00	4.49	4.67	4.67
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#687DAD

Deuteranopia (green-blind)

#5872AA

Tritanopia (blue-blind)

#00898D

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #357dab;
/* rgb */ color: rgb(53, 125, 171);
/* oklch */ color: oklch(56.5% 0.101 240.1);

Tailwind

colors: {
  custom: {
    50: '#7aa2c4',
    500: '#357dab',
    950: '#000000',
  },
}

SCSS

$custom: #357dab;
$custom-light: #7aa2c4;
$custom-dark: #000000;

JSON

{
  "hex": "#357dab",
  "rgb": {
    "r": 53,
    "g": 125,
    "b": 171
  },
  "hsl": {
    "h": 203.39,
    "s": 52.679,
    "l": 43.922
  },
  "oklch": {
    "l": 0.56489,
    "c": 0.10079,
    "h": 240.1
  },
  "luminance": 0.18364
}

Semantic roles & 50–950 ramp

primary

#357DAB

secondary

#C2967A

accent

#844CDC

background

#F7F9FC

surface

#EEF2F8

border

#C9CCD1

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #357DAB

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

Preview Lab → · Contrast checker → · Palette generator →