#689CD3
Closest named color: Cornflower Blue (#6495ED). oklch(67.9% 0.099 250.8), rgb(104, 156, 211).
Aa
Black text reads best on this color (7.28:1).
About this color
#689CD3 is a medium-light, moderately saturated blue. In OKLCH its lightness is 68%, its chroma 0.099 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.048 away. Black text reads best on it, at 7.28:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.28:1 |
| White text | 2.88:1 |
Values
| HEX | #689CD3 |
| RGB | rgb(104, 156, 211) |
| HSL | hsl(211, 55%, 62%) |
| OKLCH | oklch(67.9% 0.099 250.8) |
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 #689CD3 | 2.88:1 | Fails | Lc -60.3 | Content text, not long reading |
| Black text on #689CD3 | 7.28:1 | AAA | Lc 49.1 | Large or bold text, headings |
| #689CD3 text on white | 2.88:1 | Fails | Lc 55.0 | Large or bold text, headings |
| #689CD3 text on black | 7.28:1 | AAA | Lc -46.8 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C9DBF0
oklch(88.4% 0.035 252.3)
-
Step 300
300
#A3C4E8
oklch(80.8% 0.062 250.8)
-
Step 400
400 (this color)
#689CD3
oklch(67.9% 0.099 250.8)
-
Step 500
500
#498DD3
oklch(63.1% 0.127 251.1)
-
Step 600
600
#2776C0
oklch(55.6% 0.137 250.7)
-
Step 700
700
#1963A6
oklch(49.2% 0.128 250.8)
-
Step 800
800
#185186
oklch(42.7% 0.105 250.6)
-
Step 900
900
#1B436C
oklch(37.6% 0.084 251.5)
-
Step 950
950
#11283F
oklch(27.1% 0.052 250.3)
#689CD3 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) | #869ED5 | 0.036 |
| Deuteranopia (no green cones) | #7893D2 | 0.028 |
| Tritanopia (no blue cones) | #32A9AF | 0.086 |
| Achromatopsia (no color) | #989898 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #689CD3
#689CD3
oklch(67.9% 0.099 250.8)
- #BE8D50
#BE8D50
oklch(67.8% 0.098 70.9)
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 #689CD3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.048
- Faded Blue #658CBB ΔE 0.051
- Greyblue #77A1B5 ΔE 0.053
- Chefchaouen Blue #4895EF ΔE 0.058
- Dark Sky Blue #448EE4 ΔE 0.063
- Silver Lake Blue #778DA9 ΔE 0.065
- Cool Gray #8D99AE ΔE 0.066
- Bluegrey #85A3B2 ΔE 0.066
Use #689CD3 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.