#3C7AEC
Closest named color: Clear Blue (#247AFD). oklch(60% 0.184 261.3), rgb(60, 122, 236).
Aa
Black text reads best on this color (5.18:1).
About this color
#3C7AEC is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.184 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.029 away. Black text reads best on it, at 5.18:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.184) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.18:1 |
| White text | 4.04:1 |
Values
| HEX | #3C7AEC |
| RGB | rgb(60, 122, 236) |
| HSL | hsl(219, 82%, 58%) |
| OKLCH | oklch(60% 0.184 261.3) |
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 #3C7AEC | 4.04:1 | AA large text | Lc -72.8 | Content text, not long reading |
| Black text on #3C7AEC | 5.18:1 | AA | Lc 36.8 | Non-text elements, placeholder text |
| #3C7AEC text on white | 4.04:1 | AA large text | Lc 67.3 | Content text, not long reading |
| #3C7AEC text on black | 5.18:1 | AA | Lc -34.4 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EAFC
oklch(93.5% 0.027 262.3)
-
Step 200
200
#C7DAFB
oklch(88.5% 0.05 261.5)
-
Step 300
300
#A0C1FB
oklch(80.8% 0.09 261.5)
-
Step 400
400
#6C9FFA
oklch(70.7% 0.145 261.3)
-
Step 500
500 (this color)
#3C7AEC
oklch(60% 0.184 261.3)
-
Step 600
600
#276AE6
oklch(55.6% 0.2 261.4)
-
Step 700
700
#1A57C8
oklch(49.1% 0.187 261.5)
-
Step 800
800
#1848A1
oklch(42.6% 0.154 261.4)
-
Step 900
900
#1A3E80
oklch(37.8% 0.119 261.3)
-
Step 950
950
#10254B
oklch(27.1% 0.076 261.2)
#3C7AEC 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) | #3887F0 | 0.033 |
| Deuteranopia (no green cones) | #0077EA | 0.029 |
| Tritanopia (no blue cones) | #0095A8 | 0.144 |
| Achromatopsia (no color) | #7E7E7E | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3C7AEC
#3C7AEC
oklch(60% 0.184 261.3)
- #A57700
#A57700
oklch(60% 0.124 81.5)
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 #3C7AEC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.029
- Royal Blue #4169E1 ΔE 0.044
- Cerulean Blue #056EEE ΔE 0.045
- Cornflower #6A79F7 ΔE 0.052
- Dark Sky Blue #448EE4 ΔE 0.058
- Soft Blue #6488EA ΔE 0.058
- Dodger Blue #1E90FF ΔE 0.059
- Neon Blue #4361EE ΔE 0.060
Use #3C7AEC 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.