#4961BB
Closest named color: French Blue (#436BAD). oklch(52.1% 0.144 269.6), rgb(73, 97, 187).
Aa
White text reads best on this color (5.65:1).
About this color
#4961BB is a medium-dark, vivid blue. In OKLCH its lightness is 52%, its chroma 0.144 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is French Blue (#436BAD), ΔE 0.038 away. White text reads best on it, at 5.65:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | vivid (0.144) |
| Temperature | cool |
| Nearest name | French Blue (#436BAD) |
| Black text | 3.71:1 |
| White text | 5.65:1 |
Values
| HEX | #4961BB |
| RGB | rgb(73, 97, 187) |
| HSL | hsl(227, 46%, 51%) |
| OKLCH | oklch(52.1% 0.144 269.6) |
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 #4961BB | 5.65:1 | AA | Lc -83.3 | Fine for body text |
| Black text on #4961BB | 3.71:1 | AA large text | Lc 26.0 | Dividers and decoration only |
| #4961BB text on white | 5.65:1 | AA | Lc 78.0 | Fine for body text |
| #4961BB text on black | 3.71:1 | AA large text | Lc -23.7 | 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
#E4EAF8
oklch(93.7% 0.02 267.3)
-
Step 200
200
#CFD9F4
oklch(88.6% 0.039 269.4)
-
Step 300
300
#AFBFEF
oklch(80.9% 0.07 270.4)
-
Step 400
400
#859DE6
oklch(70.7% 0.111 269.5)
-
Step 500
500
#6883DF
oklch(63.2% 0.142 269.7)
-
Step 600
600
#506ACD
oklch(55.5% 0.155 269.7)
-
Step 700
700 (this color)
#4961BB
oklch(52.1% 0.144 269.6)
-
Step 800
800
#36488F
oklch(42.6% 0.119 270)
-
Step 900
900
#2E3D72
oklch(37.6% 0.093 269.6)
-
Step 950
950
#1B2443
oklch(26.9% 0.059 269.9)
#4961BB 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) | #346CBE | 0.033 |
| Deuteranopia (no green cones) | #1F62B9 | 0.038 |
| Tritanopia (no blue cones) | #007585 | 0.123 |
| Achromatopsia (no color) | #676767 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4961BB
#4961BB
oklch(52.1% 0.144 269.6)
- #816500
#816500
oklch(52% 0.106 89.6)
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 #4961BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- French Blue #436BAD ΔE 0.038
- Mid Blue #276AB3 ΔE 0.040
- Iris #6258C4 ΔE 0.042
- Dark Periwinkle #665FD1 ΔE 0.053
- Slate Blue #6A5ACD ΔE 0.056
- Warm Blue #4B57DB ΔE 0.057
- Royal Blue #4169E1 ΔE 0.060
- Windows Blue #3778BF ΔE 0.061
Use #4961BB 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.