#1C6BCE
Closest named color: Royal Blue (#4169E1). oklch(53.8% 0.17 256.8), rgb(28, 107, 206).
Aa
White text reads best on this color (5.19:1).
About this color
#1C6BCE is a medium-dark, vivid blue. In OKLCH its lightness is 54%, its chroma 0.170 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.041 away. White text reads best on it, at 5.19:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.170) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.04:1 |
| White text | 5.19:1 |
Values
| HEX | #1C6BCE |
| RGB | rgb(28, 107, 206) |
| HSL | hsl(213, 76%, 46%) |
| OKLCH | oklch(53.8% 0.17 256.8) |
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 #1C6BCE | 5.19:1 | AA | Lc -80.5 | Fine for body text |
| Black text on #1C6BCE | 4.04:1 | AA large text | Lc 28.9 | Dividers and decoration only |
| #1C6BCE text on white | 5.19:1 | AA | Lc 75.2 | Fine for body text |
| #1C6BCE text on black | 4.04:1 | AA large text | Lc -26.6 | 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 600.
-
Step 50
50
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF9
oklch(93.7% 0.022 256.7)
-
Step 200
200
#C8DBF6
oklch(88.6% 0.043 257.1)
-
Step 300
300
#A1C3F2
oklch(80.9% 0.076 256.6)
-
Step 400
400
#6DA2EC
oklch(70.6% 0.123 256.9)
-
Step 500
500
#4589E6
oklch(63.1% 0.156 256.9)
-
Step 600
600 (this color)
#1C6BCE
oklch(53.8% 0.17 256.8)
-
Step 700
700
#155EB8
oklch(49.2% 0.158 256.8)
-
Step 800
800
#154D95
oklch(42.7% 0.131 256.9)
-
Step 900
900
#194176
oklch(37.7% 0.101 256.6)
-
Step 950
950
#102645
oklch(26.9% 0.064 257.3)
#1C6BCE 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) | #3075D2 | 0.032 |
| Deuteranopia (no green cones) | #0065CC | 0.020 |
| Tritanopia (no blue cones) | #008392 | 0.129 |
| Achromatopsia (no color) | #6D6D6D | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1C6BCE
#1C6BCE
oklch(53.8% 0.17 256.8)
- #926400
#926400
oklch(53.8% 0.112 77.3)
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 #1C6BCE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.041
- Mid Blue #276AB3 ΔE 0.042
- Cerulean Blue #056EEE ΔE 0.049
- Windows Blue #3778BF ΔE 0.051
- French Blue #436BAD ΔE 0.057
- Azul #1D5DEC ΔE 0.059
- Warm Blue #4B57DB ΔE 0.062
- Neon Blue #4361EE ΔE 0.062
Use #1C6BCE 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.