#657EDE
Closest named color: Soft Blue (#6488EA). oklch(61.9% 0.148 270.6), rgb(101, 126, 222).
Aa
Black text reads best on this color (5.59:1).
About this color
#657EDE is a medium-dark, vivid blue. In OKLCH its lightness is 62%, its chroma 0.148 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.029 away. Black text reads best on it, at 5.59:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.148) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 5.59:1 |
| White text | 3.75:1 |
Values
| HEX | #657EDE |
| RGB | rgb(101, 126, 222) |
| HSL | hsl(228, 65%, 63%) |
| OKLCH | oklch(61.9% 0.148 270.6) |
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 #657EDE | 3.75:1 | AA large text | Lc -70.4 | Content text, not long reading |
| Black text on #657EDE | 5.59:1 | AA | Lc 39.2 | Non-text elements, placeholder text |
| #657EDE text on white | 3.75:1 | AA large text | Lc 64.9 | Content text, not long reading |
| #657EDE text on black | 5.59:1 | AA | Lc -36.8 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E4E9F8
oklch(93.5% 0.021 271.2)
-
Step 200
200
#CFD8F5
oklch(88.4% 0.041 271.9)
-
Step 300
300
#AFBFF0
oklch(80.9% 0.072 270.6)
-
Step 400
400
#859CE9
oklch(70.6% 0.116 270.6)
-
Step 500
500 (this color)
#657EDE
oklch(61.9% 0.148 270.6)
-
Step 600
600
#5169D0
oklch(55.6% 0.161 270.5)
-
Step 700
700
#4257B4
oklch(49.1% 0.149 270.5)
-
Step 800
800
#364892
oklch(42.8% 0.123 270.2)
-
Step 900
900
#2F3D74
oklch(37.8% 0.095 270.5)
-
Step 950
950
#1B2444
oklch(27% 0.061 270.1)
#657EDE 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) | #5589E2 | 0.031 |
| Deuteranopia (no green cones) | #467FDC | 0.033 |
| Tritanopia (no blue cones) | #2393A3 | 0.132 |
| Achromatopsia (no color) | #848484 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #657EDE
#657EDE
oklch(61.9% 0.148 270.6)
- #A38200
#A38200
oklch(62% 0.127 90.8)
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 #657EDE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.029
- Cornflower #6A79F7 ΔE 0.042
- Dark Sky Blue #448EE4 ΔE 0.048
- Cornflower Blue #6495ED ΔE 0.061
- Chefchaouen Blue #4895EF ΔE 0.063
- Medium Slate Blue #7B68EE ΔE 0.065
- Lavender Blue #8B88F8 ΔE 0.070
- Medium Purple #9370DB ΔE 0.070
Use #657EDE 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.