#1B76F7
Closest named color: Clear Blue (#247AFD). oklch(59.1% 0.21 258.9), rgb(27, 118, 247).
Aa
Black text reads best on this color (4.98:1).
About this color
#1B76F7 is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.210 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.014 away. Black text reads best on it, at 4.98:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.210) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 4.98:1 |
| White text | 4.21:1 |
Values
| HEX | #1B76F7 |
| RGB | rgb(27, 118, 247) |
| HSL | hsl(215, 93%, 54%) |
| OKLCH | oklch(59.1% 0.21 258.9) |
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 #1B76F7 | 4.21:1 | AA large text | Lc -73.9 | Content text, not long reading |
| Black text on #1B76F7 | 4.98:1 | AA | Lc 35.7 | Non-text elements, placeholder text |
| #1B76F7 text on white | 4.21:1 | AA large text | Lc 68.4 | Content text, not long reading |
| #1B76F7 text on black | 4.98:1 | AA | Lc -33.3 | 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
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DFEBFD
oklch(93.6% 0.028 258.4)
-
Step 200
200
#C5DBFC
oklch(88.6% 0.051 258.4)
-
Step 300
300
#9CC2FE
oklch(80.9% 0.095 259.4)
-
Step 400
400
#64A0FD
oklch(70.7% 0.151 258.9)
-
Step 500
500
#3685FB
oklch(63.1% 0.192 258.7)
-
Step 600
600 (this color)
#1B76F7
oklch(59.1% 0.21 258.9)
-
Step 700
700
#0059C9
oklch(49.2% 0.189 258.8)
-
Step 800
800
#0349A5
oklch(42.8% 0.161 258.8)
-
Step 900
900
#0F3E83
oklch(37.7% 0.126 258.9)
-
Step 950
950
#0B254D
oklch(27% 0.081 259)
#1B76F7 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) | #0685FC | 0.037 |
| Deuteranopia (no green cones) | #0072F4 | 0.014 |
| Tritanopia (no blue cones) | #0096AB | 0.160 |
| Achromatopsia (no color) | #7B7B7B | 0.210 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1B76F7
#1B76F7
oklch(59.1% 0.21 258.9)
- #A47300
#A47300
oklch(59% 0.123 79)
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 #1B76F7, closest first.
No curated palette has a color within ΔE 0.04 of #1B76F7.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.014
- Cerulean Blue #056EEE ΔE 0.026
- Bright Blue #0165FC ΔE 0.044
- Royal Blue #4169E1 ΔE 0.046
- Neon Blue #4361EE ΔE 0.052
- Azul #1D5DEC ΔE 0.061
- Dodger Blue #1E90FF ΔE 0.067
- Cornflower #6A79F7 ΔE 0.070
Use #1B76F7 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.