#3C48AB
Closest named color: Blueberry (#464196). oklch(45.1% 0.157 273.1), rgb(60, 72, 171).
Aa
White text reads best on this color (7.75:1).
About this color
#3C48AB is a medium-dark, vivid blue. In OKLCH its lightness is 45%, its chroma 0.157 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Blueberry (#464196), ΔE 0.039 away. White text reads best on it, at 7.75:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.157) |
| Temperature | cool |
| Nearest name | Blueberry (#464196) |
| Black text | 2.70:1 |
| White text | 7.75:1 |
Values
| HEX | #3C48AB |
| RGB | rgb(60, 72, 171) |
| HSL | hsl(234, 48%, 45%) |
| OKLCH | oklch(45.1% 0.157 273.1) |
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 #3C48AB | 7.75:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #3C48AB | 2.70:1 | Fails | Lc 17.5 | Dividers and decoration only |
| #3C48AB text on white | 7.75:1 | AAA | Lc 86.5 | Fine for body text |
| #3C48AB text on black | 2.70:1 | Fails | Lc -15.5 | 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 800.
-
Step 50
50
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E4E9FC
oklch(93.6% 0.026 274.1)
-
Step 200
200
#CED8FC
oklch(88.6% 0.051 273.1)
-
Step 300
300
#ADBDFD
oklch(80.9% 0.092 273.3)
-
Step 400
400
#8398FC
oklch(70.7% 0.148 273.1)
-
Step 500
500
#677BF9
oklch(63.2% 0.188 273.1)
-
Step 600
600
#5160E8
oklch(55.7% 0.204 273)
-
Step 700
700
#424ECA
oklch(49.1% 0.19 272.9)
-
Step 800
800 (this color)
#3C48AB
oklch(45.1% 0.157 273.1)
-
Step 900
900
#2E3881
oklch(37.6% 0.123 273.2)
-
Step 950
950
#1B224C
oklch(27.1% 0.078 273)
#3C48AB 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) | #0058AE | 0.052 |
| Deuteranopia (no green cones) | #004EA9 | 0.044 |
| Tritanopia (no blue cones) | #006072 | 0.132 |
| Achromatopsia (no color) | #525252 | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3C48AB
#3C48AB
oklch(45.1% 0.157 273.1)
- #675400
#675400
oklch(45.2% 0.093 93.7)
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 #3C48AB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blueberry #464196 ΔE 0.039
- Sapphire #2138AB ΔE 0.054
- Blue Blue #2242C7 ΔE 0.055
- Cobalt #1E488F ΔE 0.058
- Blue With A Hint Of Purple #533CC6 ΔE 0.058
- Dark Slate Blue #483D8B ΔE 0.058
- Majorelle Blue #3F37C9 ΔE 0.059
- Dusk Blue #26538D ΔE 0.064
Use #3C48AB 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.