#689A8C
Closest named color: Grey Teal (#5E9B8A). oklch(64.6% 0.058 175), rgb(104, 154, 140).
Aa
Black text reads best on this color (6.58:1).
About this color
#689A8C is a medium-light, muted teal or cyan. In OKLCH its lightness is 65%, its chroma 0.058 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Teal (#5E9B8A), ΔE 0.012 away. Black text reads best on it, at 6.58:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (65%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Grey Teal (#5E9B8A) |
| Black text | 6.58:1 |
| White text | 3.18:1 |
Values
| HEX | #689A8C |
| RGB | rgb(104, 154, 140) |
| HSL | hsl(163, 20%, 51%) |
| OKLCH | oklch(64.6% 0.058 175) |
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 #689A8C | 3.18:1 | AA large text | Lc -64.4 | Content text, not long reading |
| Black text on #689A8C | 6.58:1 | AA | Lc 45.1 | Large or bold text, headings |
| #689A8C text on white | 3.18:1 | AA large text | Lc 59.0 | Large or bold text, headings |
| #689A8C text on black | 6.58:1 | AA | Lc -42.7 | Non-text elements, placeholder text |
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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5ECE9
oklch(93.7% 0.008 168.7)
-
Step 200
200
#CFDDD8
oklch(88.6% 0.016 172.6)
-
Step 300
300
#AFC7BF
oklch(80.9% 0.028 173.5)
-
Step 400
400
#84AA9F
oklch(70.7% 0.044 175.4)
-
Step 500
500 (this color)
#689A8C
oklch(64.6% 0.058 175)
-
Step 600
600
#498071
oklch(55.7% 0.063 174.4)
-
Step 700
700
#3A6C5F
oklch(49.2% 0.059 175)
-
Step 800
800
#30584D
oklch(42.7% 0.049 174.2)
-
Step 900
900
#2B4840
oklch(37.6% 0.038 174.8)
-
Step 950
950
#1A2A26
oklch(26.9% 0.023 177.2)
#689A8C 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) | #97948B | 0.061 |
| Deuteranopia (no green cones) | #8E8E8D | 0.057 |
| Tritanopia (no blue cones) | #5A9B96 | 0.018 |
| Achromatopsia (no color) | #909090 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #689A8C
#689A8C
oklch(64.6% 0.058 175)
- #AB8090
#AB8090
oklch(64.7% 0.057 354.7)
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 #689A8C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Teal #5E9B8A ΔE 0.012
- Dull Teal #5F9E8F ΔE 0.013
- Cadet Blue #5F9EA0 ΔE 0.028
- Sea #3C9992 ΔE 0.040
- Green Grey #77926F ΔE 0.041
- Greeny Grey #7EA07A ΔE 0.043
- Dusty Teal #4C9085 ΔE 0.044
- Persian Green #2A9D8F ΔE 0.048
Use #689A8C 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.