#1C7AED
Closest named color: Clear Blue (#247AFD). oklch(59.2% 0.193 256.8), rgb(28, 122, 237).
Aa
Black text reads best on this color (5.05:1).
About this color
#1C7AED is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.193 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.025 away. Black text reads best on it, at 5.05:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.193) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.05:1 |
| White text | 4.15:1 |
Values
| HEX | #1C7AED |
| RGB | rgb(28, 122, 237) |
| HSL | hsl(213, 85%, 52%) |
| OKLCH | oklch(59.2% 0.193 256.8) |
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 #1C7AED | 4.15:1 | AA large text | Lc -73.4 | Content text, not long reading |
| Black text on #1C7AED | 5.05:1 | AA | Lc 36.2 | Non-text elements, placeholder text |
| #1C7AED text on white | 4.15:1 | AA large text | Lc 67.9 | Content text, not long reading |
| #1C7AED text on black | 5.05:1 | AA | Lc -33.7 | 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 600.
-
Step 50
50
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#DFEBFB
oklch(93.6% 0.025 255.6)
-
Step 200
200
#C5DBF9
oklch(88.5% 0.048 256.2)
-
Step 300
300
#9DC3F9
oklch(80.9% 0.087 257.2)
-
Step 400
400
#65A2F6
oklch(70.7% 0.139 256.7)
-
Step 500
500
#3888F2
oklch(63.2% 0.177 256.8)
-
Step 600
600 (this color)
#1C7AED
oklch(59.2% 0.193 256.8)
-
Step 700
700
#005CC0
oklch(49.1% 0.174 256.9)
-
Step 800
800
#034B9E
oklch(42.7% 0.149 257.1)
-
Step 900
900
#10407D
oklch(37.7% 0.115 256.7)
-
Step 950
950
#0B2649
oklch(27% 0.073 256.3)
#1C7AED 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) | #3386F1 | 0.036 |
| Deuteranopia (no green cones) | #0074EB | 0.019 |
| Tritanopia (no blue cones) | #0096A8 | 0.145 |
| Achromatopsia (no color) | #7C7C7C | 0.193 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1C7AED
#1C7AED
oklch(59.2% 0.193 256.8)
- #A77200
#A77200
oklch(59.2% 0.124 76.5)
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 #1C7AED, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.025
- Cerulean Blue #056EEE ΔE 0.033
- Royal Blue #4169E1 ΔE 0.046
- Bright Blue #0165FC ΔE 0.059
- Neon Blue #4361EE ΔE 0.061
- Dodger Blue #1E90FF ΔE 0.061
- Dark Sky Blue #448EE4 ΔE 0.065
- Water Blue #0E87CC ΔE 0.066
Use #1C7AED 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.