#3C4CBA
Closest named color: Blue Blue (#2242C7). oklch(47.1% 0.173 271.7), rgb(60, 76, 186).
Aa
White text reads best on this color (7.15:1).
About this color
#3C4CBA is a medium-dark, vivid blue. In OKLCH its lightness is 47%, its chroma 0.173 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Blue (#2242C7), ΔE 0.044 away. White text reads best on it, at 7.15:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.173) |
| Temperature | cool |
| Nearest name | Blue Blue (#2242C7) |
| Black text | 2.93:1 |
| White text | 7.15:1 |
Values
| HEX | #3C4CBA |
| RGB | rgb(60, 76, 186) |
| HSL | hsl(232, 51%, 48%) |
| OKLCH | oklch(47.1% 0.173 271.7) |
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 #3C4CBA | 7.15:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #3C4CBA | 2.93:1 | Fails | Lc 19.7 | Dividers and decoration only |
| #3C4CBA text on white | 7.15:1 | AAA | Lc 84.4 | Fine for body text |
| #3C4CBA text on black | 2.93:1 | Fails | Lc -17.6 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4E9FB
oklch(93.6% 0.025 273.5)
-
Step 200
200
#CED8F9
oklch(88.5% 0.047 272.1)
-
Step 300
300
#ADBEF7
oklch(80.9% 0.083 271.6)
-
Step 400
400
#839AF4
oklch(70.7% 0.134 271.7)
-
Step 500
500
#667EF0
oklch(63.1% 0.172 271.7)
-
Step 600
600
#5064DE
oklch(55.6% 0.186 271.9)
-
Step 700
700 (this color)
#3C4CBA
oklch(47.1% 0.173 271.7)
-
Step 800
800
#35449C
oklch(42.7% 0.144 271.6)
-
Step 900
900
#2E3A7C
oklch(37.6% 0.112 272.2)
-
Step 950
950
#1B2349
oklch(27.1% 0.071 272)
#3C4CBA 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) | #005EBE | 0.052 |
| Deuteranopia (no green cones) | #0052B8 | 0.041 |
| Tritanopia (no blue cones) | #00677B | 0.142 |
| Achromatopsia (no color) | #585858 | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3C4CBA
#3C4CBA
oklch(47.1% 0.173 271.7)
- #6F5800
#6F5800
oklch(47% 0.096 91.1)
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 #3C4CBA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Blue #2242C7 ΔE 0.044
- Blue With A Hint Of Purple #533CC6 ΔE 0.047
- Majorelle Blue #3F37C9 ΔE 0.049
- Blurple #5539CC ΔE 0.056
- Bluey Purple #6241C7 ΔE 0.062
- Warm Blue #4B57DB ΔE 0.062
- Blueberry #464196 ΔE 0.063
- Sapphire #2138AB ΔE 0.066
Use #3C4CBA 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.