#689CEC
Closest named color: Cornflower Blue (#6495ED). oklch(69.1% 0.131 258.7), rgb(104, 156, 236).
Aa
Black text reads best on this color (7.55:1).
About this color
#689CEC is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.131 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.020 away. Black text reads best on it, at 7.55:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.131) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.55:1 |
| White text | 2.77:1 |
Values
| HEX | #689CEC |
| RGB | rgb(104, 156, 236) |
| HSL | hsl(216, 78%, 67%) |
| OKLCH | oklch(69.1% 0.131 258.7) |
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 #689CEC | 2.77:1 | Fails | Lc -58.7 | Large or bold text, headings |
| Black text on #689CEC | 7.55:1 | AAA | Lc 50.6 | Large or bold text, headings |
| #689CEC text on white | 2.77:1 | Fails | Lc 53.4 | Large or bold text, headings |
| #689CEC text on black | 7.55:1 | AAA | Lc -48.4 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EBFA
oklch(93.7% 0.023 258.4)
-
Step 200
200
#C7DBF8
oklch(88.6% 0.046 257.6)
-
Step 300
300
#A1C2F6
oklch(80.8% 0.082 259.4)
-
Step 400
400 (this color)
#689CEC
oklch(69.1% 0.131 258.7)
-
Step 500
500
#4587ED
oklch(63.1% 0.168 258.9)
-
Step 600
600
#246EDB
oklch(55.6% 0.182 258.8)
-
Step 700
700
#165BBE
oklch(49% 0.169 258.8)
-
Step 800
800
#164B9A
oklch(42.7% 0.141 258.9)
-
Step 900
900
#19407A
oklch(37.8% 0.108 258.5)
-
Step 950
950
#102648
oklch(27.1% 0.069 258.9)
#689CEC 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) | #7BA2EF | 0.028 |
| Deuteranopia (no green cones) | #6B95EA | 0.018 |
| Tritanopia (no blue cones) | #00AEB9 | 0.117 |
| Achromatopsia (no color) | #9B9B9B | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #689CEC
#689CEC
oklch(69.1% 0.131 258.7)
- #C79028
#C79028
oklch(69% 0.131 78.4)
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 #689CEC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.020
- Chefchaouen Blue #4895EF ΔE 0.038
- Periwinkle Blue #8F99FB ΔE 0.053
- Soft Blue #6488EA ΔE 0.054
- Dark Sky Blue #448EE4 ΔE 0.055
- Perrywinkle #8F8CE7 ΔE 0.058
- Lavender Blue #8B88F8 ΔE 0.068
- Dodger Blue #1E90FF ΔE 0.072
Use #689CEC 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.