#1775F8
Closest named color: Clear Blue (#247AFD). oklch(58.9% 0.213 258.9), rgb(23, 117, 248).
Aa
Black text reads best on this color (4.93:1).
About this color
#1775F8 is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.213 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.016 away. Black text reads best on it, at 4.93:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.213) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 4.93:1 |
| White text | 4.25:1 |
Values
| HEX | #1775F8 |
| RGB | rgb(23, 117, 248) |
| HSL | hsl(215, 94%, 53%) |
| OKLCH | oklch(58.9% 0.213 258.9) |
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 #1775F8 | 4.25:1 | AA large text | Lc -74.1 | Content text, not long reading |
| Black text on #1775F8 | 4.93:1 | AA | Lc 35.5 | Non-text elements, placeholder text |
| #1775F8 text on white | 4.25:1 | AA large text | Lc 68.6 | Content text, not long reading |
| #1775F8 text on black | 4.93:1 | AA | Lc -33.0 | 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
#C4DBFD
oklch(88.5% 0.053 258)
-
Step 300
300
#9BC2FF
oklch(80.8% 0.097 259.2)
-
Step 400
400
#63A0FF
oklch(70.7% 0.154 259)
-
Step 500
500
#3584FD
oklch(63% 0.196 259.1)
-
Step 600
600 (this color)
#1775F8
oklch(58.9% 0.213 258.9)
-
Step 700
700
#0059C9
oklch(49.2% 0.189 258.8)
-
Step 800
800
#0148A6
oklch(42.6% 0.164 259)
-
Step 900
900
#0E3E84
oklch(37.8% 0.128 258.8)
-
Step 950
950
#0A254D
oklch(27% 0.081 258.5)
#1775F8 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) | #0085FD | 0.039 |
| Deuteranopia (no green cones) | #0071F5 | 0.013 |
| Tritanopia (no blue cones) | #0096AB | 0.162 |
| Achromatopsia (no color) | #7B7B7B | 0.213 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1775F8
#1775F8
oklch(58.9% 0.213 258.9)
- #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 #1775F8, closest first.
No curated palette has a color within ΔE 0.04 of #1775F8.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.016
- Cerulean Blue #056EEE ΔE 0.024
- Bright Blue #0165FC ΔE 0.040
- Royal Blue #4169E1 ΔE 0.047
- Neon Blue #4361EE ΔE 0.051
- Azul #1D5DEC ΔE 0.059
- Dodger Blue #1E90FF ΔE 0.070
- Cornflower #6A79F7 ΔE 0.072
Use #1775F8 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.