#1D5FA0#1D5FA0

#1D5FA0 is a mid, vivid cyan. Relative luminance 0.110; OKLCH L 47.9% C 0.123 H 251.9°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#1D5FA0
RGB	rgb(29, 95, 160)
HSL	hsl(210, 69%, 37%)
HSV	hsv(210, 82%, 63%)
CMYK	cmyk(81.9%, 40.6%, 0%, 37.3%)
CIE-LAB	lab(39.55, 3.79, -40.96)
CIE-LCH	lch(39.55, 41.13, 275.28°)
OKLab	oklab(47.93% -0.0383 -0.1171)
OKLCH	oklch(47.93% 0.123 251.9)
XYZ	xyz(10.9417, 10.9824, 34.7940)
Luminance	0.1098 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5FA0 #A05E1D

analogous

#1DA0A0 #1D5FA0 #1D1EA0

triadic

#1D5FA0 #A01D5F #5FA01D

tetradic

#1D5FA0 #A01DA0 #A05E1D #1EA01D

square

#1D5FA0 #A01DA0 #A05E1D #1EA01D

split-complementary

#1D5FA0 #A01D1E #A0A01D

monochromatic

#0A2138 #14406C #1D5FA0 #267ED4 #579CE1

Accessibility & contrast

On white

6.57

#1D5FA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#1D5FA0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D5FA0

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5FA0	#FFFFFF	#000000	##FFFFFF
##1D5FA0	1.00	6.57	3.20	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F64A3

Deuteranopia (green-blind)

#2A589F

Tritanopia (blue-blind)

#006F77

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #1d5fa0;
/* rgb */ color: rgb(29, 95, 160);
/* oklch */ color: oklch(47.9% 0.123 251.9);

Tailwind

colors: {
  custom: {
    50: '#6f8bbc',
    500: '#1d5fa0',
    950: '#000000',
  },
}

SCSS

$custom: #1d5fa0;
$custom-light: #6f8bbc;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5fa0",
  "rgb": {
    "r": 29,
    "g": 95,
    "b": 160
  },
  "hsl": {
    "h": 209.771,
    "s": 69.312,
    "l": 37.059
  },
  "oklch": {
    "l": 0.47932,
    "c": 0.12319,
    "h": 251.9
  },
  "luminance": 0.10984
}

Semantic roles & 50–950 ramp

primary

#1D5FA0

secondary

#C48C55

accent

#933CEC

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090C12

muted

#7B7D81

Preview Lab

Preview with #1D5FA0

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

Preview Lab → · Contrast checker → · Palette generator →