#3C5EDF
Closest named color: Warm Blue (#4B57DB). oklch(53.5% 0.2 267.7), rgb(60, 94, 223).
Aa
White text reads best on this color (5.44:1).
About this color
#3C5EDF is a medium-dark, vivid blue. In OKLCH its lightness is 53%, its chroma 0.200 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 5.44:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.200) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.85:1 |
| White text | 5.44:1 |
Values
| HEX | #3C5EDF |
| RGB | rgb(60, 94, 223) |
| HSL | hsl(227, 72%, 55%) |
| OKLCH | oklch(53.5% 0.2 267.7) |
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 #3C5EDF | 5.44:1 | AA | Lc -81.9 | Fine for body text |
| Black text on #3C5EDF | 3.85:1 | AA large text | Lc 27.5 | Dividers and decoration only |
| #3C5EDF text on white | 5.44:1 | AA | Lc 76.6 | Fine for body text |
| #3C5EDF text on black | 3.85:1 | AA large text | Lc -25.2 | 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
#E2EAFC
oklch(93.6% 0.026 266.6)
-
Step 200
200
#CBD9FB
oklch(88.6% 0.049 267.7)
-
Step 300
300
#A7BFFC
oklch(80.9% 0.091 267.7)
-
Step 400
400
#799BFA
oklch(70.6% 0.145 267.7)
-
Step 500
500
#597FF7
oklch(63% 0.184 267.7)
-
Step 600
600 (this color)
#3C5EDF
oklch(53.5% 0.2 267.7)
-
Step 700
700
#3453C8
oklch(49.2% 0.185 267.6)
-
Step 800
800
#2B44A2
oklch(42.6% 0.155 267.9)
-
Step 900
900
#263B80
oklch(37.7% 0.119 267.6)
-
Step 950
950
#16234B
oklch(26.9% 0.076 267.6)
#3C5EDF 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) | #0071E3 | 0.049 |
| Deuteranopia (no green cones) | #0062DC | 0.032 |
| Tritanopia (no blue cones) | #007E95 | 0.159 |
| Achromatopsia (no color) | #6A6A6A | 0.200 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3C5EDF
#3C5EDF
oklch(53.5% 0.2 267.7)
- #886800
#886800
oklch(53.5% 0.109 87.3)
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 #3C5EDF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.021
- Neon Blue #4361EE ΔE 0.026
- Royal Blue #4169E1 ΔE 0.028
- Azul #1D5DEC ΔE 0.030
- Cerulean Blue #056EEE ΔE 0.046
- Bright Blue #0165FC ΔE 0.052
- Dark Periwinkle #665FD1 ΔE 0.057
- Iris #6258C4 ΔE 0.063
Use #3C5EDF 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.