#2137A7#2137A7

#2137A7 is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.1% C 0.180 H 268.0°. Best body text is #FFFFFF at 9.68:1 contrast (WCAG AA passes).

Color values

HEX	#2137A7
RGB	rgb(33, 55, 167)
HSL	hsl(230, 67%, 39%)
HSV	hsv(230, 80%, 65%)
CMYK	cmyk(80.2%, 67.1%, 0%, 34.5%)
CIE-LAB	lab(29.02, 33.57, -62.21)
CIE-LCH	lch(29.02, 70.69, 298.35°)
OKLab	oklab(40.14% -0.0064 -0.1801)
OKLCH	oklch(40.14% 0.18 268)
XYZ	xyz(8.9660, 5.8447, 37.2073)
Luminance	0.0585 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2137A7 #A79121

analogous

#217AA7 #2137A7 #4E21A7

triadic

#2137A7 #A72137 #37A721

tetradic

#2137A7 #A7217A #A79121 #21A74E

square

#2137A7 #A7217A #A79121 #21A74E

split-complementary

#2137A7 #A74E21 #7AA721

monochromatic

#0D1541 #172674 #2137A7 #2F4BD6 #6277E0

Accessibility & contrast

On white

9.68

#2137A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#2137A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2137A7

9.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2137A7	#FFFFFF	#000000	##FFFFFF
##2137A7	1.00	9.68	2.17	9.68
#FFFFFF	9.68	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BAB

Deuteranopia (green-blind)

#003EA5

Tritanopia (blue-blind)

#00556A

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #2137a7;
/* rgb */ color: rgb(33, 55, 167);
/* oklch */ color: oklch(40.1% 0.180 268.0);

Tailwind

colors: {
  custom: {
    50: '#746ec2',
    500: '#2137a7',
    950: '#000000',
  },
}

SCSS

$custom: #2137a7;
$custom-light: #746ec2;
$custom-dark: #000000;

JSON

{
  "hex": "#2137a7",
  "rgb": {
    "r": 33,
    "g": 55,
    "b": 167
  },
  "hsl": {
    "h": 230.149,
    "s": 67,
    "l": 39.216
  },
  "oklch": {
    "l": 0.40138,
    "c": 0.18024,
    "h": 268
  },
  "luminance": 0.05846
}

Semantic roles & 50–950 ramp

primary

#2137A7

secondary

#C5B45F

accent

#CE3EEA

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2137A7

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

Preview Lab → · Contrast checker → · Palette generator →