#689FCF
Closest named color: Greyblue (#77A1B5). oklch(68.3% 0.092 246), rgb(104, 159, 207).
Aa
Black text reads best on this color (7.44:1).
About this color
#689FCF is a medium-light, moderately saturated blue. In OKLCH its lightness is 68%, its chroma 0.092 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.043 away. Black text reads best on it, at 7.44:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.44:1 |
| White text | 2.81:1 |
Values
| HEX | #689FCF |
| RGB | rgb(104, 159, 207) |
| HSL | hsl(208, 52%, 61%) |
| OKLCH | oklch(68.3% 0.092 246) |
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 #689FCF | 2.81:1 | Fails | Lc -59.3 | Large or bold text, headings |
| Black text on #689FCF | 7.44:1 | AAA | Lc 50.0 | Large or bold text, headings |
| #689FCF text on white | 2.81:1 | Fails | Lc 54.1 | Large or bold text, headings |
| #689FCF text on black | 7.44:1 | 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
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E1EBF5
oklch(93.5% 0.017 248)
-
Step 200
200
#C9DCED
oklch(88.6% 0.031 245.1)
-
Step 300
300
#A3C5E4
oklch(80.9% 0.057 246.1)
-
Step 400
400 (this color)
#689FCF
oklch(68.3% 0.092 246)
-
Step 500
500
#468FCC
oklch(63% 0.118 246.4)
-
Step 600
600
#2178B9
oklch(55.5% 0.128 246.2)
-
Step 700
700
#11659F
oklch(49.1% 0.119 245.8)
-
Step 800
800
#145381
oklch(42.8% 0.098 245.7)
-
Step 900
900
#194568
oklch(37.8% 0.077 245.9)
-
Step 950
950
#10283D
oklch(26.9% 0.05 247.3)
#689FCF 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) | #8BA0D1 | 0.042 |
| Deuteranopia (no green cones) | #7E95CE | 0.035 |
| Tritanopia (no blue cones) | #35AAAF | 0.077 |
| Achromatopsia (no color) | #9A9A9A | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #689FCF
#689FCF
oklch(68.3% 0.092 246)
- #C08E5A
#C08E5A
oklch(68.4% 0.092 66.4)
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 #689FCF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.043
- Faded Blue #658CBB ΔE 0.055
- Bluegrey #85A3B2 ΔE 0.057
- Bluey Grey #89A0B0 ΔE 0.058
- Cornflower Blue #6495ED ΔE 0.059
- Cool Gray #8D99AE ΔE 0.060
- Silver Lake Blue #778DA9 ΔE 0.064
- Chefchaouen Blue #4895EF ΔE 0.068
Use #689FCF 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.