#689DC0
Closest named color: Greyblue (#77A1B5). oklch(67.2% 0.077 238.4), rgb(104, 157, 192).
Aa
Black text reads best on this color (7.17:1).
About this color
#689DC0 is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.077 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.028 away. Black text reads best on it, at 7.17:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.17:1 |
| White text | 2.92:1 |
Values
| HEX | #689DC0 |
| RGB | rgb(104, 157, 192) |
| HSL | hsl(204, 41%, 58%) |
| OKLCH | oklch(67.2% 0.077 238.4) |
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 #689DC0 | 2.92:1 | Fails | Lc -60.9 | Content text, not long reading |
| Black text on #689DC0 | 7.17:1 | AAA | Lc 48.4 | Large or bold text, headings |
| #689DC0 text on white | 2.92:1 | Fails | Lc 55.6 | Large or bold text, headings |
| #689DC0 text on black | 7.17:1 | AAA | Lc -46.2 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF2
oklch(93.5% 0.014 241)
-
Step 200
200
#CADCE9
oklch(88.5% 0.026 239.1)
-
Step 300
300
#A5C6DC
oklch(81% 0.047 237.4)
-
Step 400
400 (this color)
#689DC0
oklch(67.2% 0.077 238.4)
-
Step 500
500
#4A92BE
oklch(63.2% 0.098 237.9)
-
Step 600
600
#287BAA
oklch(55.6% 0.106 238.3)
-
Step 700
700
#196892
oklch(49.2% 0.099 237.8)
-
Step 800
800
#195577
oklch(42.8% 0.082 238.3)
-
Step 900
900
#1C4660
oklch(37.7% 0.064 238.9)
-
Step 950
950
#122938
oklch(27% 0.04 239.2)
#689DC0 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) | #8D9CC2 | 0.045 |
| Deuteranopia (no green cones) | #8193BF | 0.038 |
| Tritanopia (no blue cones) | #42A6A8 | 0.061 |
| Achromatopsia (no color) | #979797 | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #689DC0
#689DC0
oklch(67.2% 0.077 238.4)
- #BA8B66
#BA8B66
oklch(67.3% 0.077 59.2)
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 #689DC0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.028
- Bluegrey #85A3B2 ΔE 0.046
- Bluey Grey #89A0B0 ΔE 0.047
- Faded Blue #658CBB ΔE 0.048
- Cool Gray #8D99AE ΔE 0.048
- Silver Lake Blue #778DA9 ΔE 0.048
- Cadet Blue #5F9EA0 ΔE 0.052
- Blue Grey #758DA3 ΔE 0.053
Use #689DC0 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.