#4657C3
Closest named color: Warm Blue (#4B57DB). oklch(50.5% 0.169 272.2), rgb(70, 87, 195).
Aa
White text reads best on this color (6.15:1).
About this color
#4657C3 is a medium-dark, vivid blue. In OKLCH its lightness is 50%, its chroma 0.169 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Warm Blue (#4B57DB), ΔE 0.038 away. White text reads best on it, at 6.15:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.169) |
| Temperature | cool |
| Nearest name | Warm Blue (#4B57DB) |
| Black text | 3.41:1 |
| White text | 6.15:1 |
Values
| HEX | #4657C3 |
| RGB | rgb(70, 87, 195) |
| HSL | hsl(232, 51%, 52%) |
| OKLCH | oklch(50.5% 0.169 272.2) |
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 #4657C3 | 6.15:1 | AA | Lc -85.5 | Fine for body text |
| Black text on #4657C3 | 3.41:1 | AA large text | Lc 23.7 | Dividers and decoration only |
| #4657C3 text on white | 6.15:1 | AA | Lc 80.3 | Fine for body text |
| #4657C3 text on black | 3.41:1 | AA large text | Lc -21.5 | 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
#E4E9FA
oklch(93.5% 0.024 272.8)
-
Step 200
200
#CED8F8
oklch(88.5% 0.045 271.7)
-
Step 300
300
#AEBEF6
oklch(80.9% 0.081 272.1)
-
Step 400
400
#859AF2
oklch(70.7% 0.131 272.5)
-
Step 500
500
#687EED
oklch(63% 0.167 272.3)
-
Step 600
600
#5165DB
oklch(55.6% 0.181 272)
-
Step 700
700 (this color)
#4657C3
oklch(50.5% 0.169 272.2)
-
Step 800
800
#37449A
oklch(42.6% 0.14 272.5)
-
Step 900
900
#2F3B7A
oklch(37.8% 0.107 272.2)
-
Step 950
950
#1B2348
oklch(27% 0.069 271.9)
#4657C3 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) | #0067C7 | 0.054 |
| Deuteranopia (no green cones) | #005CC1 | 0.047 |
| Tritanopia (no blue cones) | #007184 | 0.142 |
| Achromatopsia (no color) | #616161 | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4657C3
#4657C3
oklch(50.5% 0.169 272.2)
- #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 #4657C3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Warm Blue #4B57DB ΔE 0.038
- Iris #6258C4 ΔE 0.040
- Slate Blue #6A5ACD ΔE 0.055
- Dark Periwinkle #665FD1 ΔE 0.055
- Blue With A Hint Of Purple #533CC6 ΔE 0.059
- Bluey Purple #6241C7 ΔE 0.060
- Light Indigo #6D5ACF ΔE 0.061
- Royal Blue #4169E1 ΔE 0.061
Use #4657C3 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.