#1C538E#1C538E

#1C538E is a dark, moderate cyan. Relative luminance 0.084; OKLCH L 43.8% C 0.113 H 253.2°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#1C538E
RGB	rgb(28, 83, 142)
HSL	hsl(211, 67%, 33%)
HSV	hsv(211, 80%, 56%)
CMYK	cmyk(80.3%, 41.5%, 0%, 44.3%)
CIE-LAB	lab(34.77, 4.33, -37.74)
CIE-LCH	lch(34.77, 37.98, 276.55°)
OKLab	oklab(43.85% -0.0326 -0.1079)
OKLCH	oklch(43.85% 0.113 253.2)
XYZ	xyz(8.4528, 8.3854, 26.7590)
Luminance	0.0839 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C538E #8E571C

analogous

#1C8C8E #1C538E #1E1C8E

triadic

#1C538E #8E1C53 #538E1C

tetradic

#1C538E #8E1C8C #8E571C #1C8E1E

square

#1C538E #8E1C8C #8E571C #1C8E1E

split-complementary

#1C538E #8E1E1C #8C8E1C

monochromatic

#081728 #12355B #1C538E #2671C1 #4990DB

Accessibility & contrast

On white

7.84

#1C538E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#1C538E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C538E

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C538E	#FFFFFF	#000000	##FFFFFF
##1C538E	1.00	7.84	2.68	7.84
#FFFFFF	7.84	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#365790

Deuteranopia (green-blind)

#234D8D

Tritanopia (blue-blind)

#006169

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1c538e;
/* rgb */ color: rgb(28, 83, 142);
/* oklch */ color: oklch(43.8% 0.113 253.2);

Tailwind

colors: {
  custom: {
    50: '#6b82af',
    500: '#1c538e',
    950: '#000000',
  },
}

SCSS

$custom: #1c538e;
$custom-light: #6b82af;
$custom-dark: #000000;

JSON

{
  "hex": "#1c538e",
  "rgb": {
    "r": 28,
    "g": 83,
    "b": 142
  },
  "hsl": {
    "h": 211.053,
    "s": 67.059,
    "l": 33.333
  },
  "oklch": {
    "l": 0.43846,
    "c": 0.11268,
    "h": 253.2
  },
  "luminance": 0.08386
}

Semantic roles & 50–950 ramp

primary

#1C538E

secondary

#BD8549

accent

#973EEA

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#080A10

muted

#7A7C7F

Preview Lab

Preview with #1C538E

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

Preview Lab → · Contrast checker → · Palette generator →