#6589FD
Closest named color: Soft Blue (#6488EA). oklch(66% 0.176 268.3), rgb(101, 137, 253).
Aa
Black text reads best on this color (6.54:1).
About this color
#6589FD is a medium-light, vivid blue. In OKLCH its lightness is 66%, its chroma 0.176 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.028 away. Black text reads best on it, at 6.54:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.176) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 6.54:1 |
| White text | 3.20:1 |
Values
| HEX | #6589FD |
| RGB | rgb(101, 137, 253) |
| HSL | hsl(226, 97%, 69%) |
| OKLCH | oklch(66% 0.176 268.3) |
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 #6589FD | 3.20:1 | AA large text | Lc -64.4 | Content text, not long reading |
| Black text on #6589FD | 6.54:1 | AA | Lc 45.1 | Large or bold text, headings |
| #6589FD text on white | 3.20:1 | AA large text | Lc 59.0 | Large or bold text, headings |
| #6589FD text on black | 6.54:1 | AA | Lc -42.7 | 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
#E3EAFB
oklch(93.7% 0.024 267.9)
-
Step 200
200
#CCD9FA
oklch(88.6% 0.048 268.4)
-
Step 300
300
#A9BFF9
oklch(80.9% 0.086 268.4)
-
Step 400
400
#7C9CF7
oklch(70.8% 0.138 268.1)
-
Step 500
500 (this color)
#6589FD
oklch(66% 0.176 268.3)
-
Step 600
600
#4566E2
oklch(55.7% 0.192 268.2)
-
Step 700
700
#3754C4
oklch(49.2% 0.178 268.1)
-
Step 800
800
#2E459E
oklch(42.6% 0.147 268.5)
-
Step 900
900
#283B7E
oklch(37.6% 0.116 268.4)
-
Step 950
950
#17234A
oklch(26.9% 0.074 268.3)
#6589FD 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) | #5197FF | 0.037 |
| Deuteranopia (no green cones) | #3889FB | 0.040 |
| Tritanopia (no blue cones) | #00A3B7 | 0.151 |
| Achromatopsia (no color) | #909090 | 0.176 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6589FD
#6589FD
oklch(66% 0.176 268.3)
- #B48C00
#B48C00
oklch(66% 0.135 88.3)
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 #6589FD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.028
- Cornflower #6A79F7 ΔE 0.039
- Cornflower Blue #6495ED ΔE 0.042
- Chefchaouen Blue #4895EF ΔE 0.047
- Lavender Blue #8B88F8 ΔE 0.048
- Dodger Blue #1E90FF ΔE 0.051
- Dark Sky Blue #448EE4 ΔE 0.053
- Periwinkle #8E82FE ΔE 0.053
Use #6589FD 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.