#3C5BCE
Closest named color: Warm Blue (#4B57DB). oklch(51.6% 0.181 268), rgb(60, 91, 206).
Aa
White text reads best on this color (5.86:1).
About this color
#3C5BCE is a medium-dark, vivid blue. In OKLCH its lightness is 52%, its chroma 0.181 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.028 away. White text reads best on it, at 5.86:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.181) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.57:1 |
| White text | 5.86:1 |
Values
| HEX | #3C5BCE |
| RGB | rgb(60, 91, 206) |
| HSL | hsl(227, 60%, 52%) |
| OKLCH | oklch(51.6% 0.181 268) |
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 #3C5BCE | 5.86:1 | AA | Lc -84.1 | Fine for body text |
| Black text on #3C5BCE | 3.57:1 | AA large text | Lc 25.2 | Dividers and decoration only |
| #3C5BCE text on white | 5.86:1 | AA | Lc 78.9 | Fine for body text |
| #3C5BCE text on black | 3.57:1 | AA large text | Lc -22.9 | 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
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E2EAFC
oklch(93.6% 0.026 266.6)
-
Step 200
200
#CBD9FA
oklch(88.5% 0.048 267.2)
-
Step 300
300
#A8BFFA
oklch(80.9% 0.088 267.9)
-
Step 400
400
#7B9CF8
oklch(70.8% 0.14 267.8)
-
Step 500
500
#5B80F5
oklch(63.2% 0.179 267.8)
-
Step 600
600
#4365E3
oklch(55.5% 0.195 268)
-
Step 700
700 (this color)
#3C5BCE
oklch(51.6% 0.181 268)
-
Step 800
800
#2C45A0
oklch(42.7% 0.151 267.8)
-
Step 900
900
#273B7F
oklch(37.7% 0.118 268)
-
Step 950
950
#17234A
oklch(26.9% 0.074 268.3)
#3C5BCE 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) | #006CD2 | 0.047 |
| Deuteranopia (no green cones) | #005ECC | 0.034 |
| Tritanopia (no blue cones) | #00778B | 0.146 |
| Achromatopsia (no color) | #656565 | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3C5BCE
#3C5BCE
oklch(51.6% 0.181 268)
- #816300
#816300
oklch(51.6% 0.105 87.8)
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 #3C5BCE, closest first.
No curated palette has a color within ΔE 0.04 of #3C5BCE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.028
- Royal Blue #4169E1 ΔE 0.045
- Azul #1D5DEC ΔE 0.050
- Iris #6258C4 ΔE 0.051
- Neon Blue #4361EE ΔE 0.052
- Dark Periwinkle #665FD1 ΔE 0.057
- Slate Blue #6A5ACD ΔE 0.061
- Mid Blue #276AB3 ΔE 0.062
Use #3C5BCE 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.