#4657BB
Closest named color: Iris (#6258C4). oklch(49.9% 0.158 272.2), rgb(70, 87, 187).
Aa
White text reads best on this color (6.28:1).
About this color
#4657BB is a medium-dark, vivid blue. In OKLCH its lightness is 50%, its chroma 0.158 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.043 away. White text reads best on it, at 6.28:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | vivid (0.158) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.34:1 |
| White text | 6.28:1 |
Values
| HEX | #4657BB |
| RGB | rgb(70, 87, 187) |
| HSL | hsl(231, 46%, 50%) |
| OKLCH | oklch(49.9% 0.158 272.2) |
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 #4657BB | 6.28:1 | AA | Lc -86.1 | Fine for body text |
| Black text on #4657BB | 3.34:1 | AA large text | Lc 23.1 | Dividers and decoration only |
| #4657BB text on white | 6.28:1 | AA | Lc 81.0 | Fine for body text |
| #4657BB text on black | 3.34:1 | AA large text | Lc -20.9 | 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
#E4E9F9
oklch(93.5% 0.022 272.1)
-
Step 200
200
#CFD8F6
oklch(88.5% 0.042 272.3)
-
Step 300
300
#AFBEF3
oklch(80.9% 0.077 272.3)
-
Step 400
400
#869BED
oklch(70.7% 0.123 272)
-
Step 500
500
#6A80E7
oklch(63.2% 0.156 272.2)
-
Step 600
600
#5367D5
oklch(55.7% 0.169 272)
-
Step 700
700 (this color)
#4657BB
oklch(49.9% 0.158 272.2)
-
Step 800
800
#384695
oklch(42.7% 0.13 272.2)
-
Step 900
900
#303C77
oklch(37.8% 0.101 272.1)
-
Step 950
950
#1C2346
oklch(27% 0.065 272.8)
#4657BB 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) | #1665BE | 0.048 |
| Deuteranopia (no green cones) | #005BB9 | 0.048 |
| Tritanopia (no blue cones) | #006E80 | 0.134 |
| Achromatopsia (no color) | #606060 | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4657BB
#4657BB
oklch(49.9% 0.158 272.2)
- #786000
#786000
oklch(49.9% 0.102 91.7)
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 #4657BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.043
- Warm Blue #4B57DB ΔE 0.050
- Mid Blue #276AB3 ΔE 0.057
- Slate Blue #6A5ACD ΔE 0.060
- French Blue #436BAD ΔE 0.061
- Dark Periwinkle #665FD1 ΔE 0.062
- Blue With A Hint Of Purple #533CC6 ΔE 0.063
- Bluey Purple #6241C7 ΔE 0.063
Use #4657BB 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.