#6389F7
Closest named color: Soft Blue (#6488EA). oklch(65.5% 0.169 267.3), rgb(99, 137, 247).
Aa
Black text reads best on this color (6.45:1).
About this color
#6389F7 is a medium-light, vivid blue. In OKLCH its lightness is 66%, its chroma 0.169 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.019 away. Black text reads best on it, at 6.45:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.169) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 6.45:1 |
| White text | 3.25:1 |
Values
| HEX | #6389F7 |
| RGB | rgb(99, 137, 247) |
| HSL | hsl(225, 90%, 68%) |
| OKLCH | oklch(65.5% 0.169 267.3) |
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 #6389F7 | 3.25:1 | AA large text | Lc -65.0 | Content text, not long reading |
| Black text on #6389F7 | 6.45:1 | AA | Lc 44.5 | Non-text elements, placeholder text |
| #6389F7 text on white | 3.25:1 | AA large text | Lc 59.6 | Large or bold text, headings |
| #6389F7 text on black | 6.45:1 | AA | Lc -42.1 | 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
#F2F5FD
oklch(97% 0.011 269.6)
-
Step 100
100
#E3EAFB
oklch(93.7% 0.024 267.9)
-
Step 200
200
#CCD9F8
oklch(88.5% 0.045 267.4)
-
Step 300
300
#A9C0F7
oklch(81% 0.082 266.9)
-
Step 400
400
#7C9DF3
oklch(70.8% 0.132 267.1)
-
Step 500
500 (this color)
#6389F7
oklch(65.5% 0.169 267.3)
-
Step 600
600
#4468DD
oklch(55.6% 0.183 267.3)
-
Step 700
700
#3656C0
oklch(49.2% 0.17 267.1)
-
Step 800
800
#2D479B
oklch(42.8% 0.141 267.2)
-
Step 900
900
#283C7B
oklch(37.6% 0.11 267.6)
-
Step 950
950
#172448
oklch(27% 0.069 266.8)
#6389F7 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) | #5596FB | 0.033 |
| Deuteranopia (no green cones) | #3F88F5 | 0.034 |
| Tritanopia (no blue cones) | #00A2B4 | 0.146 |
| Achromatopsia (no color) | #8F8F8F | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6389F7
#6389F7
oklch(65.5% 0.169 267.3)
- #B48A00
#B48A00
oklch(65.5% 0.134 86.9)
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 #6389F7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.019
- Cornflower Blue #6495ED ΔE 0.037
- Cornflower #6A79F7 ΔE 0.039
- Chefchaouen Blue #4895EF ΔE 0.041
- Dark Sky Blue #448EE4 ΔE 0.044
- Dodger Blue #1E90FF ΔE 0.049
- Lavender Blue #8B88F8 ΔE 0.050
- Periwinkle #8E82FE ΔE 0.057
Use #6389F7 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.