#1A437C#1A437C
#1A437C is a dark, moderate cyan. Relative luminance 0.057; OKLCH L 38.7% C 0.107 H 257.4°. Best body text is #FFFFFF at 9.82:1 contrast (WCAG AA passes).
Color values
| HEX | #1A437C |
|---|---|
| RGB | rgb(26, 67, 124) |
| HSL | hsl(215, 65%, 29%) |
| HSV | hsv(215, 79%, 49%) |
| CMYK | cmyk(79%, 46%, 0%, 51.4%) |
| CIE-LAB | lab(28.61, 7.56, -36.47) |
| CIE-LCH | lch(28.61, 37.25, 281.71°) |
| OKLab | oklab(38.67% -0.0233 -0.1045) |
| OKLCH | oklch(38.67% 0.107 257.4) |
| XYZ | xyz(6.0699, 5.6885, 19.8430) |
| Luminance | 0.0569 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Darkish Blue
#014182
ΔE00 1.60
Twilight Blue
#0A437A
ΔE00 1.72
Cobalt (survey)
#1E488F
ΔE00 2.87
Prussian Blue
#004577
ΔE00 3.34
Marine Blue
#01386A
ΔE00 4.06
Light Navy
#155084
ΔE00 5.08
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#1A437C #7C531A
analogous
#1A747C #1A437C #221A7C
triadic
#1A437C #7C1A43 #437C1A
tetradic
#1A437C #7C1A74 #7C531A #1A7C22
square
#1A437C #7C1A74 #7C531A #1A7C22
split-complementary
#1A437C #7C221A #747C1A
monochromatic
#050E19 #0F2849 #1A437C #255EAF #3B7CD6
Accessibility & contrast
On white
9.82
#1A437C on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.14
#1A437C on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #1A437C
9.82:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##1A437C | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##1A437C | 1.00 | 9.82 | 2.14 | 9.82 |
| #FFFFFF | 9.82 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.14 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 9.82 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#26487E
Deuteranopia (green-blind)
#123F7B
Tritanopia (blue-blind)
#005059
Achromatopsia (no color)
#434343
Design tokens & code
CSS
--color: #1a437c; /* rgb */ color: rgb(26, 67, 124); /* oklch */ color: oklch(38.7% 0.107 257.4);
Tailwind
colors: {
custom: {
50: '#6676a2',
500: '#1a437c',
950: '#000000',
},
}SCSS
$custom: #1a437c; $custom-light: #6676a2; $custom-dark: #000000;
JSON
{
"hex": "#1a437c",
"rgb": {
"r": 26,
"g": 67,
"b": 124
},
"hsl": {
"h": 214.898,
"s": 65.333,
"l": 29.412
},
"oklch": {
"l": 0.38675,
"c": 0.10705,
"h": 257.4
},
"luminance": 0.05689
}Semantic roles & 50–950 ramp
primary
#1A437C
secondary
#B08242
accent
#A240E8
background
#F6F7FA
surface
#EBEDF3
border
#C6C8CD
text
#07080F
muted
#7A7B7F