#3C4FA8
Closest named color: Blueberry (#464196). oklch(46.3% 0.144 270.7), rgb(60, 79, 168).
Aa
White text reads best on this color (7.30:1).
About this color
#3C4FA8 is a medium-dark, vivid blue. In OKLCH its lightness is 46%, its chroma 0.144 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.044 away. White text reads best on it, at 7.30:1.
| Hue family | Blues |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.144) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.87:1 |
| White text | 7.30:1 |
Values
| HEX | #3C4FA8 |
| RGB | rgb(60, 79, 168) |
| HSL | hsl(229, 47%, 45%) |
| OKLCH | oklch(46.3% 0.144 270.7) |
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 #3C4FA8 | 7.30:1 | AAA | Lc -89.9 | Fine for body text |
| Black text on #3C4FA8 | 2.87:1 | Fails | Lc 19.0 | Dividers and decoration only |
| #3C4FA8 text on white | 7.30:1 | AAA | Lc 85.0 | Fine for body text |
| #3C4FA8 text on black | 2.87:1 | Fails | Lc -17.0 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5E9F8
oklch(93.5% 0.021 274)
-
Step 200
200
#CFD8F4
oklch(88.4% 0.04 271.4)
-
Step 300
300
#AFBFEF
oklch(80.9% 0.07 270.4)
-
Step 400
400
#869CE6
oklch(70.6% 0.112 270.7)
-
Step 500
500
#6A82DF
oklch(63.1% 0.142 270.9)
-
Step 600
600
#526ACD
oklch(55.6% 0.155 270.4)
-
Step 700
700 (this color)
#3C4FA8
oklch(46.3% 0.144 270.7)
-
Step 800
800
#374890
oklch(42.7% 0.12 270.6)
-
Step 900
900
#2F3D73
oklch(37.7% 0.094 270.4)
-
Step 950
950
#1C2443
oklch(27% 0.059 271.1)
#3C4FA8 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) | #185BAB | 0.040 |
| Deuteranopia (no green cones) | #0052A6 | 0.042 |
| Tritanopia (no blue cones) | #006474 | 0.121 |
| Achromatopsia (no color) | #565656 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3C4FA8
#3C4FA8
oklch(46.3% 0.144 270.7)
- #6D5600
#6D5600
oklch(46.3% 0.095 90.7)
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 #3C4FA8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.044
- Denim Blue #3B5B92 ΔE 0.052
- Dusk Blue #26538D ΔE 0.053
- Twilight #4E518B ΔE 0.054
- Cobalt #1E488F ΔE 0.057
- Dusky Blue #475F94 ΔE 0.062
- Dark Slate Blue #483D8B ΔE 0.063
- Blue Blue #2242C7 ΔE 0.066
Use #3C4FA8 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.