#689CE3
Closest named color: Cornflower Blue (#6495ED). oklch(68.6% 0.119 256.5), rgb(104, 156, 227).
Aa
Black text reads best on this color (7.45:1).
About this color
#689CE3 is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.119 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.027 away. Black text reads best on it, at 7.45:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.45:1 |
| White text | 2.81:1 |
Values
| HEX | #689CE3 |
| RGB | rgb(104, 156, 227) |
| HSL | hsl(215, 69%, 65%) |
| OKLCH | oklch(68.6% 0.119 256.5) |
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 #689CE3 | 2.81:1 | Fails | Lc -59.3 | Large or bold text, headings |
| Black text on #689CE3 | 7.45:1 | AAA | Lc 50.0 | Large or bold text, headings |
| #689CE3 text on white | 2.81:1 | Fails | Lc 54.0 | Large or bold text, headings |
| #689CE3 text on black | 7.45:1 | AAA | Lc -47.8 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF9
oklch(93.7% 0.022 256.7)
-
Step 200
200
#C8DBF5
oklch(88.5% 0.041 256.2)
-
Step 300
300
#A2C3F1
oklch(80.9% 0.075 256.7)
-
Step 400
400 (this color)
#689CE3
oklch(68.6% 0.119 256.5)
-
Step 500
500
#4689E4
oklch(63% 0.154 256.8)
-
Step 600
600
#2571D2
oklch(55.6% 0.167 256.6)
-
Step 700
700
#175EB5
oklch(49% 0.154 256.5)
-
Step 800
800
#164D93
oklch(42.6% 0.128 256.6)
-
Step 900
900
#1A4175
oklch(37.7% 0.099 256.7)
-
Step 950
950
#102645
oklch(26.9% 0.064 257.3)
#689CE3 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) | #7FA0E6 | 0.030 |
| Deuteranopia (no green cones) | #7095E2 | 0.019 |
| Tritanopia (no blue cones) | #1BACB5 | 0.106 |
| Achromatopsia (no color) | #9A9A9A | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #689CE3
#689CE3
oklch(68.6% 0.119 256.5)
- #C48F39
#C48F39
oklch(68.6% 0.12 76.2)
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 #689CE3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.027
- Chefchaouen Blue #4895EF ΔE 0.042
- Dark Sky Blue #448EE4 ΔE 0.055
- Soft Blue #6488EA ΔE 0.058
- Perrywinkle #8F8CE7 ΔE 0.061
- Periwinkle Blue #8F99FB ΔE 0.061
- Faded Blue #658CBB ΔE 0.067
- Greyblue #77A1B5 ΔE 0.076
Use #689CE3 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.