#689EFB
Closest named color: Cornflower Blue (#6495ED). oklch(70.3% 0.149 260.6), rgb(104, 158, 251).
Aa
Black text reads best on this color (7.87:1).
About this color
#689EFB is a medium-light, vivid blue. In OKLCH its lightness is 70%, its chroma 0.149 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.030 away. Black text reads best on it, at 7.87:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.149) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.87:1 |
| White text | 2.66:1 |
Values
| HEX | #689EFB |
| RGB | rgb(104, 158, 251) |
| HSL | hsl(218, 95%, 70%) |
| OKLCH | oklch(70.3% 0.149 260.6) |
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 #689EFB | 2.66:1 | Fails | Lc -56.8 | Large or bold text, headings |
| Black text on #689EFB | 7.87:1 | AAA | Lc 52.4 | Large or bold text, headings |
| #689EFB text on white | 2.66:1 | Fails | Lc 51.7 | Large or bold text, headings |
| #689EFB text on black | 7.87:1 | AAA | Lc -50.2 | Large or bold text, headings |
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 400.
-
Step 50
50
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E0EBFC
oklch(93.7% 0.026 259)
-
Step 200
200
#C6DAFC
oklch(88.4% 0.052 261.1)
-
Step 300
300
#9EC2FD
oklch(80.9% 0.093 260.1)
-
Step 400
400 (this color)
#689EFB
oklch(70.3% 0.149 260.6)
-
Step 500
500
#4084FA
oklch(63.2% 0.189 260.6)
-
Step 600
600
#1E6AE9
oklch(55.7% 0.206 260.5)
-
Step 700
700
#1157CB
oklch(49.1% 0.192 260.7)
-
Step 800
800
#1248A4
oklch(42.7% 0.159 260.7)
-
Step 900
900
#163D82
oklch(37.6% 0.125 260.9)
-
Step 950
950
#0E254C
oklch(27.1% 0.078 260.3)
#689EFB 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) | #77A6FF | 0.028 |
| Deuteranopia (no green cones) | #6398F9 | 0.017 |
| Tritanopia (no blue cones) | #00B3C1 | 0.128 |
| Achromatopsia (no color) | #9E9E9E | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #689EFB
#689EFB
oklch(70.3% 0.149 260.6)
- #CD9400
#CD9400
oklch(70.3% 0.145 81)
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 #689EFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.030
- Chefchaouen Blue #4895EF ΔE 0.044
- Periwinkle Blue #8F99FB ΔE 0.046
- Soft Blue #6488EA ΔE 0.060
- Perrywinkle #8F8CE7 ΔE 0.063
- Lavender Blue #8B88F8 ΔE 0.064
- Dark Sky Blue #448EE4 ΔE 0.065
- Dodger Blue #1E90FF ΔE 0.069
Use #689EFB 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.