#1A73FB
Closest named color: Clear Blue (#247AFD). oklch(58.8% 0.218 259.8), rgb(26, 115, 251).
Aa
Black text reads best on this color (4.88:1).
About this color
#1A73FB is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.218 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.019 away. Black text reads best on it, at 4.88:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.218) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 4.88:1 |
| White text | 4.29:1 |
Values
| HEX | #1A73FB |
| RGB | rgb(26, 115, 251) |
| HSL | hsl(216, 97%, 54%) |
| OKLCH | oklch(58.8% 0.218 259.8) |
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 #1A73FB | 4.29:1 | AA large text | Lc -74.4 | Content text, not long reading |
| Black text on #1A73FB | 4.88:1 | AA | Lc 35.2 | Non-text elements, placeholder text |
| #1A73FB text on white | 4.29:1 | AA large text | Lc 68.9 | Content text, not long reading |
| #1A73FB text on black | 4.88:1 | AA | Lc -32.7 | 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
#F0F6FF
oklch(97.1% 0.014 258.3)
-
Step 100
100
#DFEBFD
oklch(93.6% 0.028 258.4)
-
Step 200
200
#C4DBFE
oklch(88.6% 0.054 258.7)
-
Step 300
300
#9CC2FF
oklch(80.9% 0.096 259.7)
-
Step 400
400
#659FFF
oklch(70.6% 0.154 260)
-
Step 500
500
#3783FF
oklch(63% 0.199 259.9)
-
Step 600
600 (this color)
#1A73FB
oklch(58.8% 0.218 259.8)
-
Step 700
700
#0057CE
oklch(49.2% 0.198 259.7)
-
Step 800
800
#0447A9
oklch(42.7% 0.169 259.9)
-
Step 900
900
#0F3D85
oklch(37.6% 0.131 259.7)
-
Step 950
950
#0B244E
oklch(26.9% 0.084 260.2)
#1A73FB 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) | #0084FF | 0.041 |
| Deuteranopia (no green cones) | #0071F8 | 0.010 |
| Tritanopia (no blue cones) | #0095AC | 0.166 |
| Achromatopsia (no color) | #7A7A7A | 0.219 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1A73FB
#1A73FB
oklch(58.8% 0.218 259.8)
- #A27300
#A27300
oklch(58.8% 0.122 80.1)
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 #1A73FB, closest first.
No curated palette has a color within ΔE 0.04 of #1A73FB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.019
- Cerulean Blue #056EEE ΔE 0.025
- Bright Blue #0165FC ΔE 0.035
- Royal Blue #4169E1 ΔE 0.048
- Neon Blue #4361EE ΔE 0.048
- Azul #1D5DEC ΔE 0.056
- Cornflower #6A79F7 ΔE 0.073
- Dodger Blue #1E90FF ΔE 0.074
Use #1A73FB 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.