#1A77F4
Closest named color: Clear Blue (#247AFD). oklch(59.1% 0.205 258.2), rgb(26, 119, 244).
Aa
Black text reads best on this color (4.98:1).
About this color
#1A77F4 is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.205 and its hue 258°. 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 4.98:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.205) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 4.98:1 |
| White text | 4.20:1 |
Values
| HEX | #1A77F4 |
| RGB | rgb(26, 119, 244) |
| HSL | hsl(214, 91%, 53%) |
| OKLCH | oklch(59.1% 0.205 258.2) |
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 #1A77F4 | 4.20:1 | AA large text | Lc -73.8 | Content text, not long reading |
| Black text on #1A77F4 | 4.98:1 | AA | Lc 35.8 | Non-text elements, placeholder text |
| #1A77F4 text on white | 4.20:1 | AA large text | Lc 68.3 | Content text, not long reading |
| #1A77F4 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
#DFEBFC
oklch(93.6% 0.026 257)
-
Step 200
200
#C5DBFC
oklch(88.6% 0.051 258.4)
-
Step 300
300
#9CC3FC
oklch(81% 0.091 257.8)
-
Step 400
400
#64A1FB
oklch(70.8% 0.147 258)
-
Step 500
500
#3686F9
oklch(63.2% 0.189 258.1)
-
Step 600
600 (this color)
#1A77F4
oklch(59.1% 0.205 258.2)
-
Step 700
700
#005AC6
oklch(49.1% 0.184 258.2)
-
Step 800
800
#0249A3
oklch(42.6% 0.159 258.4)
-
Step 900
900
#0F3F81
oklch(37.8% 0.122 258)
-
Step 950
950
#0B254C
oklch(27% 0.079 258.6)
#1A77F4 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) | #1A85F8 | 0.036 |
| Deuteranopia (no green cones) | #0072F2 | 0.016 |
| Tritanopia (no blue cones) | #0096AA | 0.156 |
| Achromatopsia (no color) | #7B7B7B | 0.205 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1A77F4
#1A77F4
oklch(59.1% 0.205 258.2)
- #A57300
#A57300
oklch(59.2% 0.123 78.4)
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 #1A77F4, closest first.
No curated palette has a color within ΔE 0.04 of #1A77F4.
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 0.026
- Royal Blue #4169E1 ΔE 0.045
- Bright Blue #0165FC ΔE 0.047
- Neon Blue #4361EE ΔE 0.053
- Azul #1D5DEC ΔE 0.063
- Dodger Blue #1E90FF ΔE 0.065
- Cornflower #6A79F7 ΔE 0.070
Use #1A77F4 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.