#4951BB
Closest named color: Iris (#6258C4). oklch(48.9% 0.165 275.3), rgb(73, 81, 187).
Aa
White text reads best on this color (6.60:1).
About this color
#4951BB is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.165 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.045 away. White text reads best on it, at 6.60:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | vivid (0.165) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.17:1 |
| White text | 6.60:1 |
Values
| HEX | #4951BB |
| RGB | rgb(73, 81, 187) |
| HSL | hsl(236, 46%, 51%) |
| OKLCH | oklch(48.9% 0.165 275.3) |
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 #4951BB | 6.60:1 | AA | Lc -87.4 | Fine for body text |
| Black text on #4951BB | 3.17:1 | AA large text | Lc 21.7 | Dividers and decoration only |
| #4951BB text on white | 6.60:1 | AA | Lc 82.3 | Fine for body text |
| #4951BB text on black | 3.17:1 | AA large text | Lc -19.6 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FA
oklch(93.6% 0.023 275.4)
-
Step 200
200
#D0D7F7
oklch(88.4% 0.045 275.7)
-
Step 300
300
#B1BDF5
oklch(80.9% 0.08 275.1)
-
Step 400
400
#8A99EF
oklch(70.7% 0.127 275.2)
-
Step 500
500
#6F7DEA
oklch(63.1% 0.163 275.2)
-
Step 600
600
#5963D8
oklch(55.5% 0.177 275.3)
-
Step 700
700 (this color)
#4951BB
oklch(48.9% 0.165 275.3)
-
Step 800
800
#3C4398
oklch(42.6% 0.137 275.4)
-
Step 900
900
#333A79
oklch(37.8% 0.106 275.3)
-
Step 950
950
#1E2247
oklch(27% 0.068 276.2)
#4951BB 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) | #0062BF | 0.060 |
| Deuteranopia (no green cones) | #0058B9 | 0.055 |
| Tritanopia (no blue cones) | #006A7E | 0.140 |
| Achromatopsia (no color) | #5D5D5D | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4951BB
#4951BB
oklch(48.9% 0.165 275.3)
- #725F00
#725F00
oklch(49% 0.101 95.4)
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 #4951BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.045
- Blue With A Hint Of Purple #533CC6 ΔE 0.049
- Warm Blue #4B57DB ΔE 0.052
- Bluey Purple #6241C7 ΔE 0.052
- Blurple #5539CC ΔE 0.057
- Slate Blue #6A5ACD ΔE 0.063
- Majorelle Blue #3F37C9 ΔE 0.063
- Blue Blue #2242C7 ΔE 0.064
Use #4951BB 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.