#4961B5
Closest named color: French Blue (#436BAD). oklch(51.7% 0.135 269.3), rgb(73, 97, 181).
Aa
White text reads best on this color (5.73:1).
About this color
#4961B5 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 52%, its chroma 0.135 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.032 away. White text reads best on it, at 5.73:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.135) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 3.66:1 |
| White text | 5.73:1 |
Values
| HEX | #4961B5 |
| RGB | rgb(73, 97, 181) |
| HSL | hsl(227, 43%, 50%) |
| OKLCH | oklch(51.7% 0.135 269.3) |
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 #4961B5 | 5.73:1 | AA | Lc -83.7 | Fine for body text |
| Black text on #4961B5 | 3.66:1 | AA large text | Lc 25.6 | Dividers and decoration only |
| #4961B5 text on white | 5.73:1 | AA | Lc 78.5 | Fine for body text |
| #4961B5 text on black | 3.66:1 | AA large text | Lc -23.3 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5EAF7
oklch(93.7% 0.018 269.1)
-
Step 200
200
#CFD9F2
oklch(88.5% 0.036 268.3)
-
Step 300
300
#AFBFEC
oklch(80.8% 0.066 269.6)
-
Step 400
400
#869EE2
oklch(70.8% 0.104 268.8)
-
Step 500
500
#6984DA
oklch(63.1% 0.133 269.2)
-
Step 600
600
#516CC8
oklch(55.7% 0.146 269)
-
Step 700
700 (this color)
#4961B5
oklch(51.7% 0.135 269.3)
-
Step 800
800
#37498C
oklch(42.7% 0.113 269.8)
-
Step 900
900
#2F3E70
oklch(37.7% 0.088 269.3)
-
Step 950
950
#1C2541
oklch(27.1% 0.054 269.1)
#4961B5 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) | #396BB8 | 0.029 |
| Deuteranopia (no green cones) | #2962B3 | 0.032 |
| Tritanopia (no blue cones) | #007482 | 0.119 |
| Achromatopsia (no color) | #666666 | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4961B5
#4961B5
oklch(51.7% 0.135 269.3)
- #806400
#806400
oklch(51.7% 0.106 89.4)
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 #4961B5, closest first.
No curated palette has a color within ΔE 0.04 of #4961B5.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.032
- Mid Blue #276AB3 ΔE 0.037
- Iris #6258C4 ΔE 0.047
- Dusky Blue #475F94 ΔE 0.053
- Flat Blue #3C73A8 ΔE 0.058
- Dark Periwinkle #665FD1 ΔE 0.060
- Denim Blue #3B5B92 ΔE 0.060
- Windows Blue #3778BF ΔE 0.062
Use #4961B5 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.