#1D5EA1#1D5EA1

#1D5EA1 is a mid, vivid cyan. Relative luminance 0.108; OKLCH L 47.8% C 0.126 H 252.8°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#1D5EA1
RGB	rgb(29, 94, 161)
HSL	hsl(210, 69%, 37%)
HSV	hsv(210, 82%, 63%)
CMYK	cmyk(82%, 41.6%, 0%, 36.9%)
CIE-LAB	lab(39.31, 4.83, -41.94)
CIE-LCH	lch(39.31, 42.22, 276.56°)
OKLab	oklab(47.76% -0.0372 -0.12)
OKLCH	oklch(47.76% 0.126 252.8)
XYZ	xyz(10.9400, 10.8385, 35.2268)
Luminance	0.1084 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D5EA1 #A1601D

analogous

#1DA0A1 #1D5EA1 #1E1DA1

triadic

#1D5EA1 #A11D5E #5EA11D

tetradic

#1D5EA1 #A11DA0 #A1601D #1DA11E

square

#1D5EA1 #A11DA0 #A1601D #1DA11E

split-complementary

#1D5EA1 #A11E1D #A0A11D

monochromatic

#0A2139 #14406D #1D5EA1 #267CD5 #589BE1

Accessibility & contrast

On white

6.63

#1D5EA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#1D5EA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1D5EA1

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D5EA1	#FFFFFF	#000000	##FFFFFF
##1D5EA1	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D63A4

Deuteranopia (green-blind)

#2657A0

Tritanopia (blue-blind)

#006E77

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #1d5ea1;
/* rgb */ color: rgb(29, 94, 161);
/* oklch */ color: oklch(47.8% 0.126 252.8);

Tailwind

colors: {
  custom: {
    50: '#6f8bbd',
    500: '#1d5ea1',
    950: '#000000',
  },
}

SCSS

$custom: #1d5ea1;
$custom-light: #6f8bbd;
$custom-dark: #000000;

JSON

{
  "hex": "#1d5ea1",
  "rgb": {
    "r": 29,
    "g": 94,
    "b": 161
  },
  "hsl": {
    "h": 210.455,
    "s": 69.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.47761,
    "c": 0.12563,
    "h": 252.8
  },
  "luminance": 0.1084
}

Semantic roles & 50–950 ramp

primary

#1D5EA1

secondary

#C48E55

accent

#953CEC

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #1D5EA1

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

Preview Lab → · Contrast checker → · Palette generator →