#2F61D0
Closest named color: Royal Blue (#4169E1). oklch(52.4% 0.18 263.3), rgb(47, 97, 208).
Aa
White text reads best on this color (5.61:1).
About this color
#2F61D0 is a medium-dark, vivid blue. In OKLCH its lightness is 52%, its chroma 0.180 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.038 away. White text reads best on it, at 5.61:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.180) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 3.74:1 |
| White text | 5.61:1 |
Values
| HEX | #2F61D0 |
| RGB | rgb(47, 97, 208) |
| HSL | hsl(221, 63%, 50%) |
| OKLCH | oklch(52.4% 0.18 263.3) |
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 #2F61D0 | 5.61:1 | AA | Lc -82.8 | Fine for body text |
| Black text on #2F61D0 | 3.74:1 | AA large text | Lc 26.5 | Dividers and decoration only |
| #2F61D0 text on white | 5.61:1 | AA | Lc 77.5 | Fine for body text |
| #2F61D0 text on black | 3.74:1 | AA large text | Lc -24.2 | 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
#F2F6FD
oklch(97.2% 0.01 261.8)
-
Step 100
100
#E2EAFA
oklch(93.6% 0.023 264.5)
-
Step 200
200
#CADAF8
oklch(88.6% 0.045 263.1)
-
Step 300
300
#A5C1F6
oklch(80.9% 0.081 263)
-
Step 400
400
#769FF1
oklch(70.7% 0.129 263.3)
-
Step 500
500
#5384ED
oklch(63.1% 0.167 263.5)
-
Step 600
600 (this color)
#2F61D0
oklch(52.4% 0.18 263.3)
-
Step 700
700
#2B59BE
oklch(49.2% 0.167 263.2)
-
Step 800
800
#24499A
oklch(42.7% 0.139 263.3)
-
Step 900
900
#223E7A
oklch(37.7% 0.108 263.3)
-
Step 950
950
#142548
oklch(27.1% 0.069 263.1)
#2F61D0 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) | #036FD4 | 0.037 |
| Deuteranopia (no green cones) | #0061CE | 0.022 |
| Tritanopia (no blue cones) | #007C8F | 0.141 |
| Achromatopsia (no color) | #686868 | 0.180 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F61D0
#2F61D0
oklch(52.4% 0.18 263.3)
- #886300
#886300
oklch(52.4% 0.108 82.9)
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 #2F61D0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.038
- Warm Blue #4B57DB ΔE 0.039
- Azul #1D5DEC ΔE 0.046
- Neon Blue #4361EE ΔE 0.051
- Cerulean Blue #056EEE ΔE 0.054
- Mid Blue #276AB3 ΔE 0.054
- Iris #6258C4 ΔE 0.063
- Dark Periwinkle #665FD1 ΔE 0.065
Use #2F61D0 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.