#426FD7
Closest named color: Royal Blue (#4169E1). oklch(56.5% 0.167 264.2), rgb(66, 111, 215).
Aa
White text reads best on this color (4.68:1).
About this color
#426FD7 is a medium-dark, vivid blue. In OKLCH its lightness is 57%, its chroma 0.167 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.023 away. White text reads best on it, at 4.68:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.167) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.48:1 |
| White text | 4.68:1 |
Values
| HEX | #426FD7 |
| RGB | rgb(66, 111, 215) |
| HSL | hsl(222, 65%, 55%) |
| OKLCH | oklch(56.5% 0.167 264.2) |
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 #426FD7 | 4.68:1 | AA | Lc -77.6 | Fine for body text |
| Black text on #426FD7 | 4.48:1 | AA large text | Lc 31.9 | Non-text elements, placeholder text |
| #426FD7 text on white | 4.68:1 | AA | Lc 72.1 | Content text, not long reading |
| #426FD7 text on black | 4.48:1 | AA large text | Lc -29.5 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E3EAF9
oklch(93.6% 0.022 265.8)
-
Step 200
200
#CBDAF6
oklch(88.6% 0.042 263)
-
Step 300
300
#A8C1F2
oklch(80.9% 0.075 263.7)
-
Step 400
400
#7A9FEC
oklch(70.7% 0.121 264)
-
Step 500
500
#5985E6
oklch(63.2% 0.154 264.1)
-
Step 600
600 (this color)
#426FD7
oklch(56.5% 0.167 264.2)
-
Step 700
700
#325AB8
oklch(49.2% 0.156 264.1)
-
Step 800
800
#2A4A95
oklch(42.8% 0.129 264.3)
-
Step 900
900
#263E76
oklch(37.6% 0.1 264.6)
-
Step 950
950
#162545
oklch(27% 0.063 263.8)
#426FD7 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) | #367BDB | 0.031 |
| Deuteranopia (no green cones) | #066DD5 | 0.036 |
| Tritanopia (no blue cones) | #008799 | 0.134 |
| Achromatopsia (no color) | #747474 | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #426FD7
#426FD7
oklch(56.5% 0.167 264.2)
- #966F00
#966F00
oklch(56.6% 0.116 84.1)
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 #426FD7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.023
- Cerulean Blue #056EEE ΔE 0.047
- Windows Blue #3778BF ΔE 0.048
- Neon Blue #4361EE ΔE 0.050
- Dark Periwinkle #665FD1 ΔE 0.054
- Warm Blue #4B57DB ΔE 0.058
- Clear Blue #247AFD ΔE 0.062
- Mid Blue #276AB3 ΔE 0.063
Use #426FD7 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.