#2138A9#2138A9

#2138A9 is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.5% C 0.182 H 267.8°. Best body text is #FFFFFF at 9.53:1 contrast (WCAG AA passes).

Color values

HEX	#2138A9
RGB	rgb(33, 56, 169)
HSL	hsl(230, 67%, 40%)
HSV	hsv(230, 80%, 66%)
CMYK	cmyk(80.5%, 66.9%, 0%, 33.7%)
CIE-LAB	lab(29.45, 33.67, -62.70)
CIE-LCH	lch(29.45, 71.17, 298.23°)
OKLab	oklab(40.51% -0.007 -0.1816)
OKLCH	oklch(40.51% 0.182 267.8)
XYZ	xyz(9.2003, 6.0152, 38.2046)
Luminance	0.0602 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2138A9 #A99221

analogous

#217CA9 #2138A9 #4E21A9

triadic

#2138A9 #A92138 #38A921

tetradic

#2138A9 #A9217C #A99221 #21A94E

square

#2138A9 #A9217C #A99221 #21A94E

split-complementary

#2138A9 #A94E21 #7CA921

monochromatic

#0D1643 #172776 #2138A9 #314DD7 #6479E1

Accessibility & contrast

On white

9.53

#2138A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#2138A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2138A9

9.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2138A9	#FFFFFF	#000000	##FFFFFF
##2138A9	1.00	9.53	2.20	9.53
#FFFFFF	9.53	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CAD

Deuteranopia (green-blind)

#003FA7

Tritanopia (blue-blind)

#00576B

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2138a9;
/* rgb */ color: rgb(33, 56, 169);
/* oklch */ color: oklch(40.5% 0.182 267.8);

Tailwind

colors: {
  custom: {
    50: '#756ec4',
    500: '#2138a9',
    950: '#000000',
  },
}

SCSS

$custom: #2138a9;
$custom-light: #756ec4;
$custom-dark: #000000;

JSON

{
  "hex": "#2138a9",
  "rgb": {
    "r": 33,
    "g": 56,
    "b": 169
  },
  "hsl": {
    "h": 229.853,
    "s": 67.327,
    "l": 39.608
  },
  "oklch": {
    "l": 0.40512,
    "c": 0.1817,
    "h": 267.8
  },
  "luminance": 0.06016
}

Semantic roles & 50–950 ramp

primary

#2138A9

secondary

#C6B560

accent

#CD3EEA

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2138A9

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

Preview Lab → · Contrast checker → · Palette generator →