#1263A0
Closest named color: Peacock Blue (#016795). oklch(48.7% 0.122 247.6), rgb(18, 99, 160).
Aa
White text reads best on this color (6.32:1).
About this color
#1263A0 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.122 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.024 away. White text reads best on it, at 6.32:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.122) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.31:1 |
| White text | 6.32:1 |
Values
| HEX | #1263A0 |
| RGB | rgb(18, 99, 160) |
| HSL | hsl(206, 80%, 35%) |
| OKLCH | oklch(48.7% 0.122 247.6) |
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 #1263A0 | 6.32:1 | AA | Lc -86.1 | Fine for body text |
| Black text on #1263A0 | 3.31:1 | AA large text | Lc 23.0 | Dividers and decoration only |
| #1263A0 text on white | 6.32:1 | AA | Lc 81.0 | Fine for body text |
| #1263A0 text on black | 3.31:1 | AA large text | Lc -20.9 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF5
oklch(93.5% 0.017 248)
-
Step 200
200
#C9DCEE
oklch(88.6% 0.032 246.7)
-
Step 300
300
#A3C5E5
oklch(80.9% 0.058 247)
-
Step 400
400
#70A6D9
oklch(70.8% 0.094 247.9)
-
Step 500
500
#478FCE
oklch(63.2% 0.12 247.4)
-
Step 600
600
#2378BB
oklch(55.7% 0.13 247.3)
-
Step 700
700 (this color)
#1263A0
oklch(48.7% 0.122 247.6)
-
Step 800
800
#155283
oklch(42.7% 0.101 247.8)
-
Step 900
900
#1A4469
oklch(37.6% 0.079 248.2)
-
Step 950
950
#10283D
oklch(26.9% 0.05 247.3)
#1263A0 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) | #4566A3 | 0.043 |
| Deuteranopia (no green cones) | #305A9F | 0.029 |
| Tritanopia (no blue cones) | #00727A | 0.086 |
| Achromatopsia (no color) | #606060 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1263A0
#1263A0
oklch(48.7% 0.122 247.6)
- #875200
#875200
oklch(48.8% 0.107 67.7)
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 #1263A0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.024
- Denim Blue #3B5B92 ΔE 0.037
- Mid Blue #276AB3 ΔE 0.038
- Denim #3B638C ΔE 0.042
- Light Navy Blue #2E5A88 ΔE 0.043
- Ocean Blue #03719C ΔE 0.043
- Dusky Blue #475F94 ΔE 0.044
- Dusk Blue #26538D ΔE 0.050
Use #1263A0 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.