#4F5FD8
Closest named color: Warm Blue (#4B57DB). oklch(54.1% 0.185 272.9), rgb(79, 95, 216).
Aa
White text reads best on this color (5.30:1).
About this color
#4F5FD8 is a medium-dark, vivid blue. In OKLCH its lightness is 54%, its chroma 0.185 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.021 away. White text reads best on it, at 5.30:1.
| Hue family | Blues |
| Lightness | medium-dark (54%) |
| Chroma | vivid (0.185) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.96:1 |
| White text | 5.30:1 |
Values
| HEX | #4F5FD8 |
| RGB | rgb(79, 95, 216) |
| HSL | hsl(233, 64%, 58%) |
| OKLCH | oklch(54.1% 0.185 272.9) |
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 #4F5FD8 | 5.30:1 | AA | Lc -81.3 | Fine for body text |
| Black text on #4F5FD8 | 3.96:1 | AA large text | Lc 28.1 | Dividers and decoration only |
| #4F5FD8 text on white | 5.30:1 | AA | Lc 76.0 | Fine for body text |
| #4F5FD8 text on black | 3.96:1 | AA large text | Lc -25.8 | 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 600.
-
Step 50
50
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4E9FB
oklch(93.6% 0.025 273.5)
-
Step 200
200
#CFD8F9
oklch(88.6% 0.047 273.4)
-
Step 300
300
#AEBEF7
oklch(80.9% 0.083 272.3)
-
Step 400
400
#859AF3
oklch(70.7% 0.132 272.5)
-
Step 500
500
#697EEF
oklch(63.2% 0.17 272.7)
-
Step 600
600 (this color)
#4F5FD8
oklch(54.1% 0.185 272.9)
-
Step 700
700
#4452C0
oklch(49.2% 0.171 272.9)
-
Step 800
800
#38449B
oklch(42.8% 0.141 273)
-
Step 900
900
#2F3A7B
oklch(37.6% 0.11 272.8)
-
Step 950
950
#1C2348
oklch(27.1% 0.069 272.9)
#4F5FD8 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) | #0072DC | 0.061 |
| Deuteranopia (no green cones) | #0065D6 | 0.053 |
| Tritanopia (no blue cones) | #007C92 | 0.155 |
| Achromatopsia (no color) | #6B6B6B | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F5FD8
#4F5FD8
oklch(54.1% 0.185 272.9)
- #856C00
#856C00
oklch(54% 0.111 92.8)
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 #4F5FD8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.021
- Royal Blue #4169E1 ΔE 0.028
- Dark Periwinkle #665FD1 ΔE 0.033
- Neon Blue #4361EE ΔE 0.036
- Iris #6258C4 ΔE 0.041
- Slate Blue #6A5ACD ΔE 0.041
- Light Indigo #6D5ACF ΔE 0.045
- Azul #1D5DEC ΔE 0.054
Use #4F5FD8 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.