#3C5DD8
Closest named color: Warm Blue (#4B57DB). oklch(52.7% 0.192 267.8), rgb(60, 93, 216).
Aa
White text reads best on this color (5.60:1).
About this color
#3C5DD8 is a medium-dark, vivid blue. In OKLCH its lightness is 53%, its chroma 0.192 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.021 away. White text reads best on it, at 5.60:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.192) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.74:1 |
| White text | 5.60:1 |
Values
| HEX | #3C5DD8 |
| RGB | rgb(60, 93, 216) |
| HSL | hsl(227, 67%, 54%) |
| OKLCH | oklch(52.7% 0.192 267.8) |
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 #3C5DD8 | 5.60:1 | AA | Lc -82.8 | Fine for body text |
| Black text on #3C5DD8 | 3.74:1 | AA large text | Lc 26.6 | Dividers and decoration only |
| #3C5DD8 text on white | 5.60:1 | AA | Lc 77.5 | Fine for body text |
| #3C5DD8 text on black | 3.74:1 | AA large text | Lc -24.3 | 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 600.
-
Step 50
50
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E2EAFB
oklch(93.6% 0.025 265.6)
-
Step 200
200
#CBD9FA
oklch(88.5% 0.048 267.2)
-
Step 300
300
#A8BFF9
oklch(80.8% 0.086 267.7)
-
Step 400
400
#7B9CF7
oklch(70.7% 0.139 267.7)
-
Step 500
500
#5B80F3
oklch(63.1% 0.177 267.7)
-
Step 600
600 (this color)
#3C5DD8
oklch(52.7% 0.192 267.8)
-
Step 700
700
#3654C4
oklch(49.1% 0.178 267.8)
-
Step 800
800
#2C459F
oklch(42.6% 0.149 267.8)
-
Step 900
900
#273B7E
oklch(37.6% 0.116 267.9)
-
Step 950
950
#17234A
oklch(26.9% 0.074 268.3)
#3C5DD8 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) | #006FDC | 0.048 |
| Deuteranopia (no green cones) | #0061D6 | 0.033 |
| Tritanopia (no blue cones) | #007B91 | 0.153 |
| Achromatopsia (no color) | #686868 | 0.192 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3C5DD8
#3C5DD8
oklch(52.7% 0.192 267.8)
- #856600
#856600
oklch(52.7% 0.108 87.7)
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 #3C5DD8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.021
- Royal Blue #4169E1 ΔE 0.033
- Neon Blue #4361EE ΔE 0.036
- Azul #1D5DEC ΔE 0.038
- Cerulean Blue #056EEE ΔE 0.054
- Dark Periwinkle #665FD1 ΔE 0.056
- Iris #6258C4 ΔE 0.057
- Bright Blue #0165FC ΔE 0.062
Use #3C5DD8 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.