#4975EA
Closest named color: Royal Blue (#4169E1). oklch(59.4% 0.183 265.6), rgb(73, 117, 234).
Aa
Black text reads best on this color (5.01:1).
About this color
#4975EA is a medium-dark, vivid blue. In OKLCH its lightness is 59%, its chroma 0.183 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Royal Blue (#4169E1), ΔE 0.034 away. Black text reads best on it, at 5.01:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.183) |
| Temperature | cool |
| Nearest name | Royal Blue (#4169E1) |
| Black text | 5.01:1 |
| White text | 4.18:1 |
Values
| HEX | #4975EA |
| RGB | rgb(73, 117, 234) |
| HSL | hsl(224, 79%, 60%) |
| OKLCH | oklch(59.4% 0.183 265.6) |
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 #4975EA | 4.18:1 | AA large text | Lc -74.0 | Content text, not long reading |
| Black text on #4975EA | 5.01:1 | AA | Lc 35.6 | Non-text elements, placeholder text |
| #4975EA text on white | 4.18:1 | AA large text | Lc 68.5 | Content text, not long reading |
| #4975EA text on black | 5.01:1 | AA | Lc -33.2 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F2F5FE
oklch(97% 0.012 271.3)
-
Step 100
100
#E2EAFC
oklch(93.6% 0.026 266.6)
-
Step 200
200
#C9D9FB
oklch(88.4% 0.05 265.4)
-
Step 300
300
#A5C0FB
oklch(80.9% 0.089 265.4)
-
Step 400
400
#759DFA
oklch(70.7% 0.144 265.3)
-
Step 500
500 (this color)
#4975EA
oklch(59.4% 0.183 265.6)
-
Step 600
600
#3A67E6
oklch(55.7% 0.199 265.5)
-
Step 700
700
#2D54C8
oklch(49.1% 0.186 265.6)
-
Step 800
800
#2646A2
oklch(42.8% 0.154 265.6)
-
Step 900
900
#223C80
oklch(37.7% 0.119 265.3)
-
Step 950
950
#14244B
oklch(27.1% 0.075 265)
#4975EA 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) | #2F84EE | 0.039 |
| Deuteranopia (no green cones) | #0075E8 | 0.039 |
| Tritanopia (no blue cones) | #0091A4 | 0.150 |
| Achromatopsia (no color) | #7C7C7C | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4975EA
#4975EA
oklch(59.4% 0.183 265.6)
- #9F7800
#9F7800
oklch(59.5% 0.122 85.7)
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 #4975EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Blue #4169E1 ΔE 0.034
- Clear Blue #247AFD ΔE 0.037
- Cornflower #6A79F7 ΔE 0.045
- Cerulean Blue #056EEE ΔE 0.046
- Neon Blue #4361EE ΔE 0.050
- Soft Blue #6488EA ΔE 0.061
- Medium Slate Blue #7B68EE ΔE 0.067
- Dark Periwinkle #665FD1 ΔE 0.067
Use #4975EA 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.