#1C5EB3#1C5EB3

#1C5EB3 is a mid, vivid cyan. Relative luminance 0.115; OKLCH L 49.0% C 0.150 H 256.9°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#1C5EB3
RGB	rgb(28, 94, 179)
HSL	hsl(214, 73%, 41%)
HSV	hsv(214, 84%, 70%)
CMYK	cmyk(84.4%, 47.5%, 0%, 29.8%)
CIE-LAB	lab(40.42, 11.86, -50.81)
CIE-LCH	lch(40.42, 52.17, 283.14°)
OKLab	oklab(48.98% -0.034 -0.1461)
OKLCH	oklch(48.98% 0.15 256.9)
XYZ	xyz(12.6153, 11.5054, 44.1950)
Luminance	0.1151 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5EB3 #B3711C

analogous

#1CA9B3 #1C5EB3 #261CB3

triadic

#1C5EB3 #B31C5E #5EB31C

tetradic

#1C5EB3 #B31CA9 #B3711C #1CB326

square

#1C5EB3 #B31CA9 #B3711C #1CB326

split-complementary

#1C5EB3 #B3261C #A9B31C

monochromatic

#0B2649 #14427E #1C5EB3 #2E7BDE #639CE7

Accessibility & contrast

On white

6.36

#1C5EB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#1C5EB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1C5EB3

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5EB3	#FFFFFF	#000000	##FFFFFF
##1C5EB3	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E66B6

Deuteranopia (green-blind)

#0059B1

Tritanopia (blue-blind)

#007280

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #1c5eb3;
/* rgb */ color: rgb(28, 94, 179);
/* oklch */ color: oklch(49.0% 0.150 256.9);

Tailwind

colors: {
  custom: {
    50: '#738bca',
    500: '#1c5eb3',
    950: '#000000',
  },
}

SCSS

$custom: #1c5eb3;
$custom-light: #738bca;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5eb3",
  "rgb": {
    "r": 28,
    "g": 94,
    "b": 179
  },
  "hsl": {
    "h": 213.775,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.48982,
    "c": 0.14999,
    "h": 256.9
  },
  "luminance": 0.11507
}

Semantic roles & 50–950 ramp

primary

#1C5EB3

secondary

#CB9C5F

accent

#9F38F0

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #1C5EB3

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

Preview Lab → · Contrast checker → · Palette generator →