#1C5FA0#1C5FA0

#1C5FA0 is a mid, vivid cyan. Relative luminance 0.110; OKLCH L 47.9% C 0.123 H 251.7°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#1C5FA0
RGB	rgb(28, 95, 160)
HSL	hsl(210, 70%, 37%)
HSV	hsv(210, 83%, 63%)
CMYK	cmyk(82.5%, 40.6%, 0%, 37.3%)
CIE-LAB	lab(39.53, 3.69, -41.00)
CIE-LCH	lch(39.53, 41.16, 275.14°)
OKLab	oklab(47.91% -0.0388 -0.1172)
OKLCH	oklch(47.91% 0.123 251.7)
XYZ	xyz(10.9139, 10.9680, 34.7927)
Luminance	0.1097 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C5FA0 #A05D1C

analogous

#1CA09F #1C5FA0 #1C1DA0

triadic

#1C5FA0 #A01C5F #5FA01C

tetradic

#1C5FA0 #9F1CA0 #A05D1C #1DA01C

square

#1C5FA0 #9F1CA0 #A05D1C #1DA01C

split-complementary

#1C5FA0 #A01C1D #A09F1C

monochromatic

#0A2138 #13406C #1C5FA0 #257ED4 #559CE1

Accessibility & contrast

On white

6.58

#1C5FA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#1C5FA0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1C5FA0

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C5FA0	#FFFFFF	#000000	##FFFFFF
##1C5FA0	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)

#3F64A3

Deuteranopia (green-blind)

#29589F

Tritanopia (blue-blind)

#006F77

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #1c5fa0;
/* rgb */ color: rgb(28, 95, 160);
/* oklch */ color: oklch(47.9% 0.123 251.7);

Tailwind

colors: {
  custom: {
    50: '#6f8bbc',
    500: '#1c5fa0',
    950: '#000000',
  },
}

SCSS

$custom: #1c5fa0;
$custom-light: #6f8bbc;
$custom-dark: #000000;

JSON

{
  "hex": "#1c5fa0",
  "rgb": {
    "r": 28,
    "g": 95,
    "b": 160
  },
  "hsl": {
    "h": 209.545,
    "s": 70.213,
    "l": 36.863
  },
  "oklch": {
    "l": 0.47906,
    "c": 0.12347,
    "h": 251.7
  },
  "luminance": 0.10969
}

Semantic roles & 50–950 ramp

primary

#1C5FA0

secondary

#C48B53

accent

#933BED

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090C12

muted

#7B7D81

Preview Lab

Preview with #1C5FA0

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

Preview Lab → · Contrast checker → · Palette generator →