#689F9B
Closest named color: Cadet Blue (#5F9EA0). oklch(66.3% 0.058 190), rgb(104, 159, 155).
Aa
Black text reads best on this color (7.02:1).
About this color
#689F9B is a medium-light, muted teal or cyan. In OKLCH its lightness is 66%, its chroma 0.058 and its hue 190°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.012 away. Black text reads best on it, at 7.02:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 7.02:1 |
| White text | 2.99:1 |
Values
| HEX | #689F9B |
| RGB | rgb(104, 159, 155) |
| HSL | hsl(176, 22%, 52%) |
| OKLCH | oklch(66.3% 0.058 190) |
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 #689F9B | 2.99:1 | Fails | Lc -61.8 | Content text, not long reading |
| Black text on #689F9B | 7.02:1 | AAA | Lc 47.6 | Large or bold text, headings |
| #689F9B text on white | 2.99:1 | Fails | Lc 56.5 | Large or bold text, headings |
| #689F9B text on black | 7.02:1 | AAA | Lc -45.3 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4ECEB
oklch(93.7% 0.009 188.1)
-
Step 200
200
#CEDDDB
oklch(88.6% 0.016 187.3)
-
Step 300
300
#ADC7C5
oklch(81% 0.028 190.9)
-
Step 400
400
#80AAA7
oklch(70.7% 0.045 190.7)
-
Step 500
500 (this color)
#689F9B
oklch(66.3% 0.058 190)
-
Step 600
600
#437F7B
oklch(55.5% 0.063 189.9)
-
Step 700
700
#346C68
oklch(49.2% 0.06 189.3)
-
Step 800
800
#2C5855
oklch(42.8% 0.049 189.7)
-
Step 900
900
#284846
oklch(37.6% 0.038 190.5)
-
Step 950
950
#182A29
oklch(26.9% 0.024 191.4)
#689F9B 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) | #999A9B | 0.062 |
| Deuteranopia (no green cones) | #8F929C | 0.058 |
| Tritanopia (no blue cones) | #54A29E | 0.019 |
| Achromatopsia (no color) | #959595 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #689F9B
#689F9B
oklch(66.3% 0.058 190)
- #B4858B
#B4858B
oklch(66.4% 0.058 10.3)
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 #689F9B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.012
- Dull Teal #5F9E8F ΔE 0.021
- Grey Teal #5E9B8A ΔE 0.029
- Greyblue #77A1B5 ΔE 0.044
- Sea #3C9992 ΔE 0.047
- Bluegrey #85A3B2 ΔE 0.051
- Greeny Grey #7EA07A ΔE 0.052
- Bluey Grey #89A0B0 ΔE 0.053
Use #689F9B 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.