#1263CE
Closest named color: Azul (#1D5DEC). oklch(51.9% 0.181 258.2), rgb(18, 99, 206).
Aa
White text reads best on this color (5.67:1).
About this color
#1263CE is a medium-dark, vivid blue. In OKLCH its lightness is 52%, its chroma 0.181 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Azul (#1D5DEC), ΔE 0.049 away. White text reads best on it, at 5.67:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.181) |
| Temperature | cool |
| Nearest name | Azul (#1D5DEC) |
| Black text | 3.70:1 |
| White text | 5.67:1 |
Values
| HEX | #1263CE |
| RGB | rgb(18, 99, 206) |
| HSL | hsl(214, 84%, 44%) |
| OKLCH | oklch(51.9% 0.181 258.2) |
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 #1263CE | 5.67:1 | AA | Lc -83.0 | Fine for body text |
| Black text on #1263CE | 3.70:1 | AA large text | Lc 26.4 | Dividers and decoration only |
| #1263CE text on white | 5.67:1 | AA | Lc 77.7 | Fine for body text |
| #1263CE text on black | 3.70:1 | AA large text | Lc -24.1 | Dividers and decoration only |
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 700.
-
Step 50
50
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EBFB
oklch(93.7% 0.025 257.6)
-
Step 200
200
#C6DBFA
oklch(88.6% 0.048 258)
-
Step 300
300
#9EC3F9
oklch(81% 0.087 257.7)
-
Step 400
400
#67A1F7
oklch(70.7% 0.141 258.1)
-
Step 500
500
#3C87F3
oklch(63.2% 0.178 258)
-
Step 600
600
#146DE2
oklch(55.6% 0.195 258.2)
-
Step 700
700 (this color)
#1263CE
oklch(51.9% 0.181 258.2)
-
Step 800
800
#0A4A9F
oklch(42.6% 0.151 258.3)
-
Step 900
900
#133F7E
oklch(37.6% 0.117 258.2)
-
Step 950
950
#0D264A
oklch(27.1% 0.074 257.9)
#1263CE 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) | #116FD2 | 0.032 |
| Deuteranopia (no green cones) | #005FCC | 0.013 |
| Tritanopia (no blue cones) | #007D8F | 0.136 |
| Achromatopsia (no color) | #676767 | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1263CE
#1263CE
oklch(51.9% 0.181 258.2)
- #8A5F00
#8A5F00
oklch(51.8% 0.108 77.9)
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 #1263CE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Azul #1D5DEC ΔE 0.049
- Royal Blue #4169E1 ΔE 0.049
- Mid Blue #276AB3 ΔE 0.050
- Warm Blue #4B57DB ΔE 0.054
- Cerulean Blue #056EEE ΔE 0.055
- Neon Blue #4361EE ΔE 0.062
- French Blue #436BAD ΔE 0.069
- Bright Blue #0165FC ΔE 0.070
Use #1263CE 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.