#1D5EA0#1D5EA0

#1D5EA0 is a mid, vivid cyan. Relative luminance 0.108; OKLCH L 47.7% C 0.124 H 252.5°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#1D5EA0
RGB	rgb(29, 94, 160)
HSL	hsl(210, 69%, 37%)
HSV	hsv(210, 82%, 63%)
CMYK	cmyk(81.9%, 41.3%, 0%, 37.3%)
CIE-LAB	lab(39.25, 4.43, -41.44)
CIE-LCH	lch(39.25, 41.68, 276.10°)
OKLab	oklab(47.7% -0.0374 -0.1185)
OKLCH	oklch(47.7% 0.124 252.5)
XYZ	xyz(10.8522, 10.8034, 34.7642)
Luminance	0.1080 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5EA0 #A05F1D

analogous

#1DA0A0 #1D5EA0 #1E1DA0

triadic

#1D5EA0 #A01D5E #5EA01D

tetradic

#1D5EA0 #A01DA0 #A05F1D #1DA01E

square

#1D5EA0 #A01DA0 #A05F1D #1DA01E

split-complementary

#1D5EA0 #A01E1D #A0A01D

monochromatic

#0A2138 #14406C #1D5EA0 #267CD4 #579BE1

Accessibility & contrast

On white

6.64

#1D5EA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#1D5EA0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D5EA0

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5EA0	#FFFFFF	#000000	##FFFFFF
##1D5EA0	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E63A3

Deuteranopia (green-blind)

#27579F

Tritanopia (blue-blind)

#006E77

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #1d5ea0;
/* rgb */ color: rgb(29, 94, 160);
/* oklch */ color: oklch(47.7% 0.124 252.5);

Tailwind

colors: {
  custom: {
    50: '#6f8bbc',
    500: '#1d5ea0',
    950: '#000000',
  },
}

SCSS

$custom: #1d5ea0;
$custom-light: #6f8bbc;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5ea0",
  "rgb": {
    "r": 29,
    "g": 94,
    "b": 160
  },
  "hsl": {
    "h": 210.229,
    "s": 69.312,
    "l": 37.059
  },
  "oklch": {
    "l": 0.47695,
    "c": 0.1243,
    "h": 252.5
  },
  "luminance": 0.10805
}

Semantic roles & 50–950 ramp

primary

#1D5EA0

secondary

#C48D55

accent

#953CEC

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #1D5EA0

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

Preview Lab → · Contrast checker → · Palette generator →