#4959BD
Closest named color: Iris (#6258C4). oklch(50.6% 0.157 272.7), rgb(73, 89, 189).
Aa
White text reads best on this color (6.09:1).
About this color
#4959BD is a medium-dark, vivid blue. In OKLCH its lightness is 51%, its chroma 0.157 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.037 away. White text reads best on it, at 6.09:1.
| Hue family | Blues |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.157) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.44:1 |
| White text | 6.09:1 |
Values
| HEX | #4959BD |
| RGB | rgb(73, 89, 189) |
| HSL | hsl(232, 47%, 51%) |
| OKLCH | oklch(50.6% 0.157 272.7) |
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 #4959BD | 6.09:1 | AA | Lc -85.3 | Fine for body text |
| Black text on #4959BD | 3.44:1 | AA large text | Lc 23.9 | Dividers and decoration only |
| #4959BD text on white | 6.09:1 | AA | Lc 80.1 | Fine for body text |
| #4959BD text on black | 3.44:1 | AA large text | Lc -21.7 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9F9
oklch(93.6% 0.022 274.7)
-
Step 200
200
#CFD8F6
oklch(88.5% 0.042 272.3)
-
Step 300
300
#B0BEF2
oklch(80.9% 0.075 272.9)
-
Step 400
400
#879BEC
oklch(70.7% 0.121 272.4)
-
Step 500
500
#6B80E6
oklch(63.2% 0.154 272.5)
-
Step 600
600
#5466D4
oklch(55.5% 0.169 272.7)
-
Step 700
700 (this color)
#4959BD
oklch(50.6% 0.157 272.7)
-
Step 800
800
#394695
oklch(42.8% 0.13 272.7)
-
Step 900
900
#303B77
oklch(37.6% 0.103 272.7)
-
Step 950
950
#1C2345
oklch(26.9% 0.064 272.7)
#4959BD 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) | #1B67C1 | 0.048 |
| Deuteranopia (no green cones) | #005DBB | 0.051 |
| Tritanopia (no blue cones) | #007082 | 0.135 |
| Achromatopsia (no color) | #626262 | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4959BD
#4959BD
oklch(50.6% 0.157 272.7)
- #7A6200
#7A6200
oklch(50.5% 0.103 92)
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 #4959BD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.037
- Warm Blue #4B57DB ΔE 0.047
- Slate Blue #6A5ACD ΔE 0.054
- Dark Periwinkle #665FD1 ΔE 0.055
- Mid Blue #276AB3 ΔE 0.056
- French Blue #436BAD ΔE 0.058
- Light Indigo #6D5ACF ΔE 0.060
- Bluey Purple #6241C7 ΔE 0.064
Use #4959BD 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.