#2F6ED1
Closest named color: Royal Blue (#4169E1). oklch(55.2% 0.166 259.3), rgb(47, 110, 209).
Aa
White text reads best on this color (4.91:1).
About this color
#2F6ED1 is a medium-dark, vivid blue. In OKLCH its lightness is 55%, its chroma 0.166 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.032 away. White text reads best on it, at 4.91:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.166) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 4.27:1 |
| White text | 4.91:1 |
Values
| HEX | #2F6ED1 |
| RGB | rgb(47, 110, 209) |
| HSL | hsl(217, 64%, 50%) |
| OKLCH | oklch(55.2% 0.166 259.3) |
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 #2F6ED1 | 4.91:1 | AA | Lc -79.0 | Fine for body text |
| Black text on #2F6ED1 | 4.27:1 | AA large text | Lc 30.5 | Non-text elements, placeholder text |
| #2F6ED1 text on white | 4.91:1 | AA | Lc 73.6 | Content text, not long reading |
| #2F6ED1 text on black | 4.27:1 | AA large text | Lc -28.1 | 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 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
#C9DAF5
oklch(88.4% 0.042 259.6)
-
Step 300
300
#A4C2F1
oklch(80.8% 0.074 259.3)
-
Step 400
400
#73A1EB
oklch(70.7% 0.12 259.6)
-
Step 500
500
#4D88E4
oklch(63.1% 0.152 259)
-
Step 600
600 (this color)
#2F6ED1
oklch(55.2% 0.166 259.3)
-
Step 700
700
#235DB6
oklch(49.2% 0.154 259.1)
-
Step 800
800
#1F4C94
oklch(42.7% 0.129 259.5)
-
Step 900
900
#1E4076
oklch(37.7% 0.101 259.3)
-
Step 950
950
#132645
oklch(27.1% 0.063 259.7)
#2F6ED1 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) | #3778D5 | 0.029 |
| Deuteranopia (no green cones) | #006ACF | 0.025 |
| Tritanopia (no blue cones) | #008695 | 0.130 |
| Achromatopsia (no color) | #717171 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F6ED1
#2F6ED1
oklch(55.2% 0.166 259.3)
- #956900
#956900
oklch(55.2% 0.114 79.7)
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 #2F6ED1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.032
- Windows Blue #3778BF ΔE 0.043
- Cerulean Blue #056EEE ΔE 0.046
- Mid Blue #276AB3 ΔE 0.048
- French Blue #436BAD ΔE 0.057
- Neon Blue #4361EE ΔE 0.058
- Warm Blue #4B57DB ΔE 0.061
- Azul #1D5DEC ΔE 0.063
Use #2F6ED1 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.