#3F62B4
Closest named color: Mid Blue (#276AB3). oklch(51.3% 0.136 264.7), rgb(63, 98, 180).
Aa
White text reads best on this color (5.80:1).
About this color
#3F62B4 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 51%, its chroma 0.136 and its hue 265°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.028 away. White text reads best on it, at 5.80:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.136) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.61:1 |
| White text | 5.80:1 |
Values
| HEX | #3F62B4 |
| RGB | rgb(63, 98, 180) |
| HSL | hsl(222, 48%, 48%) |
| OKLCH | oklch(51.3% 0.136 264.7) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #3F62B4 | 5.80:1 | AA | Lc -84.0 | Fine for body text |
| Black text on #3F62B4 | 3.61:1 | AA large text | Lc 25.3 | Dividers and decoration only |
| #3F62B4 text on white | 5.80:1 | AA | Lc 78.8 | Fine for body text |
| #3F62B4 text on black | 3.61:1 | AA large text | Lc -23.0 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.
-
Step 50
50
#F2F5FC
oklch(97% 0.01 267.4)
-
Step 100
100
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CDD9F2
oklch(88.4% 0.037 265.1)
-
Step 300
300
#ACC1EC
oklch(81% 0.065 264.5)
-
Step 400
400
#809FE3
oklch(70.6% 0.106 265)
-
Step 500
500
#6086DB
oklch(63.1% 0.135 264.6)
-
Step 600
600
#486EC8
oklch(55.6% 0.146 264.8)
-
Step 700
700 (this color)
#3F62B4
oklch(51.3% 0.136 264.7)
-
Step 800
800
#2F4B8C
oklch(42.6% 0.113 264.6)
-
Step 900
900
#2A3F70
oklch(37.6% 0.088 265)
-
Step 950
950
#192542
oklch(27% 0.057 265.8)
#3F62B4 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #3A6BB7 | 0.024 |
| Deuteranopia (no green cones) | #2660B2 | 0.025 |
| Tritanopia (no blue cones) | #007582 | 0.114 |
| Achromatopsia (no color) | #656565 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3F62B4
#3F62B4
oklch(51.3% 0.136 264.7)
- #836100
#836100
oklch(51.4% 0.105 84.5)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #3F62B4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.028
- French Blue #436BAD ΔE 0.030
- Dusky Blue #475F94 ΔE 0.051
- Flat Blue #3C73A8 ΔE 0.055
- Denim Blue #3B5B92 ΔE 0.056
- Iris #6258C4 ΔE 0.057
- Muted Blue #3B719F ΔE 0.059
- Windows Blue #3778BF ΔE 0.060
Use #3F62B4 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.