#2D61D0
Closest named color: Royal Blue (#4169E1). oklch(52.3% 0.181 262.9), rgb(45, 97, 208).
Aa
White text reads best on this color (5.62:1).
About this color
#2D61D0 is a medium-dark, vivid blue. In OKLCH its lightness is 52%, its chroma 0.181 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.039 away. White text reads best on it, at 5.62:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.181) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 3.73:1 |
| White text | 5.62:1 |
Values
| HEX | #2D61D0 |
| RGB | rgb(45, 97, 208) |
| HSL | hsl(221, 64%, 50%) |
| OKLCH | oklch(52.3% 0.181 262.9) |
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 #2D61D0 | 5.62:1 | AA | Lc -82.9 | Fine for body text |
| Black text on #2D61D0 | 3.73:1 | AA large text | Lc 26.5 | Dividers and decoration only |
| #2D61D0 text on white | 5.62:1 | AA | Lc 77.6 | Fine for body text |
| #2D61D0 text on black | 3.73:1 | 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 700.
-
Step 50
50
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFB
oklch(93.5% 0.025 263.3)
-
Step 200
200
#C8DAFA
oklch(88.5% 0.048 262)
-
Step 300
300
#A3C1FA
oklch(80.9% 0.087 263)
-
Step 400
400
#719EF8
oklch(70.6% 0.141 263.1)
-
Step 500
500
#4C83F4
oklch(63% 0.179 262.8)
-
Step 600
600
#316AE3
oklch(55.7% 0.194 262.8)
-
Step 700
700 (this color)
#2D61D0
oklch(52.3% 0.181 262.9)
-
Step 800
800
#1F489F
oklch(42.7% 0.149 262.8)
-
Step 900
900
#1E3D7F
oklch(37.7% 0.118 263)
-
Step 950
950
#12244A
oklch(26.9% 0.075 263.2)
#2D61D0 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) | #026FD4 | 0.036 |
| Deuteranopia (no green cones) | #0060CE | 0.021 |
| Tritanopia (no blue cones) | #007C8F | 0.141 |
| Achromatopsia (no color) | #676767 | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D61D0
#2D61D0
oklch(52.3% 0.181 262.9)
- #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 #2D61D0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.039
- Warm Blue #4B57DB ΔE 0.040
- Azul #1D5DEC ΔE 0.045
- Neon Blue #4361EE ΔE 0.051
- Cerulean Blue #056EEE ΔE 0.054
- Mid Blue #276AB3 ΔE 0.054
- Iris #6258C4 ΔE 0.064
- Dark Periwinkle #665FD1 ΔE 0.066
Use #2D61D0 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.