#2138A6#2138A6

#2138A6 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.2% C 0.178 H 267.8°. Best body text is #FFFFFF at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#2138A6
RGB	rgb(33, 56, 166)
HSL	hsl(230, 67%, 39%)
HSV	hsv(230, 80%, 65%)
CMYK	cmyk(80.1%, 66.3%, 0%, 34.9%)
CIE-LAB	lab(29.17, 32.54, -61.36)
CIE-LCH	lch(29.17, 69.46, 297.94°)
OKLab	oklab(40.22% -0.0069 -0.1776)
OKLCH	oklch(40.22% 0.178 267.8)
XYZ	xyz(8.9219, 5.9038, 36.7383)
Luminance	0.0590 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2138A6 #A68F21

analogous

#217BA6 #2138A6 #4D21A6

triadic

#2138A6 #A62138 #38A621

tetradic

#2138A6 #A6217B #A68F21 #21A64D

square

#2138A6 #A6217B #A68F21 #21A64D

split-complementary

#2138A6 #A64D21 #7BA621

monochromatic

#0D1640 #172773 #2138A6 #2F4BD6 #6277E0

Accessibility & contrast

On white

9.63

#2138A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#2138A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2138A6

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2138A6	#FFFFFF	#000000	##FFFFFF
##2138A6	1.00	9.63	2.18	9.63
#FFFFFF	9.63	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BA9

Deuteranopia (green-blind)

#003EA4

Tritanopia (blue-blind)

#00556A

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2138a6;
/* rgb */ color: rgb(33, 56, 166);
/* oklch */ color: oklch(40.2% 0.178 267.8);

Tailwind

colors: {
  custom: {
    50: '#746ec1',
    500: '#2138a6',
    950: '#000000',
  },
}

SCSS

$custom: #2138a6;
$custom-light: #746ec1;
$custom-dark: #000000;

JSON

{
  "hex": "#2138a6",
  "rgb": {
    "r": 33,
    "g": 56,
    "b": 166
  },
  "hsl": {
    "h": 229.624,
    "s": 66.834,
    "l": 39.02
  },
  "oklch": {
    "l": 0.4022,
    "c": 0.17777,
    "h": 267.8
  },
  "luminance": 0.05905
}

Semantic roles & 50–950 ramp

primary

#2138A6

secondary

#C5B35E

accent

#CC3EEA

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2138A6

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

Preview Lab → · Contrast checker → · Palette generator →