#2138A7#2138A7

#2138A7 is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.3% C 0.179 H 267.8°. Best body text is #FFFFFF at 9.60:1 contrast (WCAG AA passes).

Color values

HEX	#2138A7
RGB	rgb(33, 56, 167)
HSL	hsl(230, 67%, 39%)
HSV	hsv(230, 80%, 65%)
CMYK	cmyk(80.2%, 66.5%, 0%, 34.5%)
CIE-LAB	lab(29.26, 32.92, -61.81)
CIE-LCH	lch(29.26, 70.03, 298.04°)
OKLab	oklab(40.32% -0.0069 -0.1789)
OKLCH	oklch(40.32% 0.179 267.8)
XYZ	xyz(9.0140, 5.9407, 37.2233)
Luminance	0.0594 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2138A7 #A79021

analogous

#217BA7 #2138A7 #4D21A7

triadic

#2138A7 #A72138 #38A721

tetradic

#2138A7 #A7217B #A79021 #21A74D

square

#2138A7 #A7217B #A79021 #21A74D

split-complementary

#2138A7 #A74D21 #7BA721

monochromatic

#0D1641 #172774 #2138A7 #2F4CD6 #6278E0

Accessibility & contrast

On white

9.60

#2138A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#2138A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2138A7

9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2138A7	#FFFFFF	#000000	##FFFFFF
##2138A7	1.00	9.60	2.19	9.60
#FFFFFF	9.60	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BAA

Deuteranopia (green-blind)

#003FA5

Tritanopia (blue-blind)

#00566A

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #2138a7;
/* rgb */ color: rgb(33, 56, 167);
/* oklch */ color: oklch(40.3% 0.179 267.8);

Tailwind

colors: {
  custom: {
    50: '#746ec2',
    500: '#2138a7',
    950: '#000000',
  },
}

SCSS

$custom: #2138a7;
$custom-light: #746ec2;
$custom-dark: #000000;

JSON

{
  "hex": "#2138a7",
  "rgb": {
    "r": 33,
    "g": 56,
    "b": 167
  },
  "hsl": {
    "h": 229.701,
    "s": 67,
    "l": 39.216
  },
  "oklch": {
    "l": 0.40317,
    "c": 0.17908,
    "h": 267.8
  },
  "luminance": 0.05942
}

Semantic roles & 50–950 ramp

primary

#2138A7

secondary

#C5B45F

accent

#CC3EEA

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2138A7

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

Preview Lab → · Contrast checker → · Palette generator →