#3C5FC1
Closest named color: Mid Blue (#276AB3). oklch(51.4% 0.159 266.1), rgb(60, 95, 193).
Aa
White text reads best on this color (5.83:1).
About this color
#3C5FC1 is a medium-dark, vivid blue. In OKLCH its lightness is 51%, its chroma 0.159 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Mid Blue (#276AB3), ΔE 0.042 away. White text reads best on it, at 5.83:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.159) |
| Temperature | cool |
| Nearest name | Mid Blue (#276AB3) |
| Black text | 3.59:1 |
| White text | 5.83:1 |
Values
| HEX | #3C5FC1 |
| RGB | rgb(60, 95, 193) |
| HSL | hsl(224, 53%, 50%) |
| OKLCH | oklch(51.4% 0.159 266.1) |
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 #3C5FC1 | 5.83:1 | AA | Lc -84.1 | Fine for body text |
| Black text on #3C5FC1 | 3.59:1 | AA large text | Lc 25.2 | Dividers and decoration only |
| #3C5FC1 text on white | 5.83:1 | AA | Lc 78.8 | Fine for body text |
| #3C5FC1 text on black | 3.59:1 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3EAF9
oklch(93.6% 0.022 265.8)
-
Step 200
200
#CCD9F6
oklch(88.5% 0.042 266.3)
-
Step 300
300
#AAC0F3
oklch(80.9% 0.076 266.5)
-
Step 400
400
#7D9EED
oklch(70.7% 0.122 266.1)
-
Step 500
500
#5D83E8
oklch(63.1% 0.158 266.4)
-
Step 600
600
#446AD6
oklch(55.5% 0.171 266.3)
-
Step 700
700 (this color)
#3C5FC1
oklch(51.4% 0.159 266.1)
-
Step 800
800
#2D4996
oklch(42.8% 0.131 266)
-
Step 900
900
#283E77
oklch(37.8% 0.101 265.9)
-
Step 950
950
#172446
oklch(26.9% 0.066 266.3)
#3C5FC1 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) | #256BC5 | 0.033 |
| Deuteranopia (no green cones) | #005FBF | 0.035 |
| Tritanopia (no blue cones) | #007687 | 0.129 |
| Achromatopsia (no color) | #656565 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3C5FC1
#3C5FC1
oklch(51.4% 0.159 266.1)
- #826200
#826200
oklch(51.5% 0.105 86.2)
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 #3C5FC1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mid Blue #276AB3 ΔE 0.042
- Warm Blue #4B57DB ΔE 0.048
- French Blue #436BAD ΔE 0.050
- Iris #6258C4 ΔE 0.050
- Royal Blue #4169E1 ΔE 0.055
- Dark Periwinkle #665FD1 ΔE 0.060
- Slate Blue #6A5ACD ΔE 0.064
- Windows Blue #3778BF ΔE 0.068
Use #3C5FC1 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.