#1863A0
Closest named color: Peacock Blue (#016795). oklch(48.8% 0.12 248.5), rgb(24, 99, 160).
Aa
White text reads best on this color (6.30:1).
About this color
#1863A0 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.120 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Peacock Blue (#016795), ΔE 0.025 away. White text reads best on it, at 6.30:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Peacock Blue (#016795) |
| Black text | 3.33:1 |
| White text | 6.30:1 |
Values
| HEX | #1863A0 |
| RGB | rgb(24, 99, 160) |
| HSL | hsl(207, 74%, 36%) |
| OKLCH | oklch(48.8% 0.12 248.5) |
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 #1863A0 | 6.30:1 | AA | Lc -86.1 | Fine for body text |
| Black text on #1863A0 | 3.33:1 | AA large text | Lc 23.1 | Dividers and decoration only |
| #1863A0 text on white | 6.30:1 | AA | Lc 80.9 | Fine for body text |
| #1863A0 text on black | 3.33:1 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E1EBF5
oklch(93.5% 0.017 248)
-
Step 200
200
#C9DCEE
oklch(88.6% 0.032 246.7)
-
Step 300
300
#A4C5E5
oklch(81% 0.058 247.7)
-
Step 400
400
#71A6D8
oklch(70.8% 0.093 247.8)
-
Step 500
500
#498ECE
oklch(63% 0.12 248.7)
-
Step 600
600
#2877BB
oklch(55.6% 0.13 248.7)
-
Step 700
700 (this color)
#1863A0
oklch(48.8% 0.12 248.5)
-
Step 800
800
#185282
oklch(42.7% 0.099 248)
-
Step 900
900
#1B4469
oklch(37.7% 0.078 248.6)
-
Step 950
950
#11283D
oklch(26.9% 0.049 248.1)
#1863A0 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) | #4666A2 | 0.041 |
| Deuteranopia (no green cones) | #315A9F | 0.028 |
| Tritanopia (no blue cones) | #00727A | 0.087 |
| Achromatopsia (no color) | #606060 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1863A0
#1863A0
oklch(48.8% 0.12 248.5)
- #865200
#865200
oklch(48.7% 0.107 68.3)
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 #1863A0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Peacock Blue #016795 ΔE 0.025
- Denim Blue #3B5B92 ΔE 0.036
- Mid Blue #276AB3 ΔE 0.037
- Denim #3B638C ΔE 0.040
- Dusky Blue #475F94 ΔE 0.042
- Light Navy Blue #2E5A88 ΔE 0.042
- Ocean Blue #03719C ΔE 0.043
- French Blue #436BAD ΔE 0.049
Use #1863A0 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.