#689EA7
Closest named color: Cadet Blue (#5F9EA0). oklch(66.5% 0.058 209), rgb(104, 158, 167).
Aa
Black text reads best on this color (7.03:1).
About this color
#689EA7 is a medium-light, muted teal or cyan. In OKLCH its lightness is 66%, its chroma 0.058 and its hue 209°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.015 away. Black text reads best on it, at 7.03:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 7.03:1 |
| White text | 2.98:1 |
Values
| HEX | #689EA7 |
| RGB | rgb(104, 158, 167) |
| HSL | hsl(189, 26%, 53%) |
| OKLCH | oklch(66.5% 0.058 209) |
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 #689EA7 | 2.98:1 | Fails | Lc -61.7 | Content text, not long reading |
| Black text on #689EA7 | 7.03:1 | AAA | Lc 47.7 | Large or bold text, headings |
| #689EA7 text on white | 2.98:1 | Fails | Lc 56.4 | Large or bold text, headings |
| #689EA7 text on black | 7.03:1 | AAA | Lc -45.4 | 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
#E4EBED
oklch(93.5% 0.008 216.6)
-
Step 200
200
#CEDCDF
oklch(88.5% 0.016 212)
-
Step 300
300
#ACC6CB
oklch(80.9% 0.029 210.5)
-
Step 400
400
#80A9B0
oklch(70.7% 0.045 209.1)
-
Step 500
500 (this color)
#689EA7
oklch(66.5% 0.058 209)
-
Step 600
600
#427E87
oklch(55.6% 0.064 208.1)
-
Step 700
700
#346A73
oklch(49.1% 0.059 209.6)
-
Step 800
800
#2C565D
oklch(42.6% 0.048 209.4)
-
Step 900
900
#28474C
oklch(37.6% 0.038 208.8)
-
Step 950
950
#182A2D
oklch(27.1% 0.024 209.1)
#689EA7 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) | #959AA8 | 0.056 |
| Deuteranopia (no green cones) | #8B92A7 | 0.052 |
| Tritanopia (no blue cones) | #4FA3A1 | 0.030 |
| Achromatopsia (no color) | #959595 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #689EA7
#689EA7
oklch(66.5% 0.058 209)
- #B5877F
#B5877F
oklch(66.6% 0.058 29.9)
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 #689EA7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.015
- Greyblue #77A1B5 ΔE 0.029
- Dull Teal #5F9E8F ΔE 0.039
- Bluegrey #85A3B2 ΔE 0.042
- Bluey Grey #89A0B0 ΔE 0.043
- Grey Teal #5E9B8A ΔE 0.045
- Blue Grey #758DA3 ΔE 0.048
- Cool Gray #8D99AE ΔE 0.049
Use #689EA7 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.