#689EB0
Closest named color: Greyblue (#77A1B5). oklch(66.8% 0.063 220.9), rgb(104, 158, 176).
Aa
Black text reads best on this color (7.10:1).
About this color
#689EB0 is a medium-light, muted teal or cyan. In OKLCH its lightness is 67%, its chroma 0.063 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.021 away. Black text reads best on it, at 7.10:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.10:1 |
| White text | 2.95:1 |
Values
| HEX | #689EB0 |
| RGB | rgb(104, 158, 176) |
| HSL | hsl(195, 31%, 55%) |
| OKLCH | oklch(66.8% 0.063 220.9) |
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 #689EB0 | 2.95:1 | Fails | Lc -61.3 | Content text, not long reading |
| Black text on #689EB0 | 7.10:1 | AAA | Lc 48.0 | Large or bold text, headings |
| #689EB0 text on white | 2.95:1 | Fails | Lc 56.0 | Large or bold text, headings |
| #689EB0 text on black | 7.10:1 | AAA | Lc -45.8 | 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 500.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBEE
oklch(93.6% 0.009 225.1)
-
Step 200
200
#CEDCE1
oklch(88.5% 0.017 221.1)
-
Step 300
300
#ACC6CF
oklch(81% 0.031 220.7)
-
Step 400
400
#7FA8B6
oklch(70.7% 0.049 220.9)
-
Step 500
500 (this color)
#689EB0
oklch(66.8% 0.063 220.9)
-
Step 600
600
#417D90
oklch(55.7% 0.069 220.9)
-
Step 700
700
#33697A
oklch(49.1% 0.063 221)
-
Step 800
800
#2B5663
oklch(42.8% 0.052 219.9)
-
Step 900
900
#274751
oklch(37.8% 0.041 220.1)
-
Step 950
950
#18292F
oklch(26.9% 0.025 222.2)
#689EB0 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) | #939BB1 | 0.053 |
| Deuteranopia (no green cones) | #8892B0 | 0.049 |
| Tritanopia (no blue cones) | #4BA4A4 | 0.039 |
| Achromatopsia (no color) | #969696 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #689EB0
#689EB0
oklch(66.8% 0.063 220.9)
- #B78877
#B78877
oklch(66.8% 0.063 40.8)
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 #689EB0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.021
- Cadet Blue #5F9EA0 ΔE 0.027
- Bluegrey #85A3B2 ΔE 0.038
- Bluey Grey #89A0B0 ΔE 0.040
- Cool Gray #8D99AE ΔE 0.045
- Blue Grey #758DA3 ΔE 0.047
- Silver Lake Blue #778DA9 ΔE 0.047
- Dull Teal #5F9E8F ΔE 0.052
Use #689EB0 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.