#689EA5
Closest named color: Cadet Blue (#5F9EA0). oklch(66.4% 0.058 206.2), rgb(104, 158, 165).
Aa
Black text reads best on this color (7.02:1).
About this color
#689EA5 is a medium-light, muted teal or cyan. In OKLCH its lightness is 66%, its chroma 0.058 and its hue 206°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.013 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 | #689EA5 |
| RGB | rgb(104, 158, 165) |
| HSL | hsl(187, 25%, 53%) |
| OKLCH | oklch(66.4% 0.058 206.2) |
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 #689EA5 | 2.99:1 | Fails | Lc -61.8 | Content text, not long reading |
| Black text on #689EA5 | 7.02:1 | AAA | Lc 47.6 | Large or bold text, headings |
| #689EA5 text on white | 2.99:1 | Fails | Lc 56.5 | Large or bold text, headings |
| #689EA5 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBEC
oklch(93.5% 0.008 207.1)
-
Step 200
200
#CEDCDE
oklch(88.4% 0.015 207.1)
-
Step 300
300
#ACC6CA
oklch(80.8% 0.029 207.8)
-
Step 400
400
#80A9AF
oklch(70.7% 0.045 207.3)
-
Step 500
500 (this color)
#689EA5
oklch(66.4% 0.058 206.2)
-
Step 600
600
#437E85
oklch(55.6% 0.062 205.5)
-
Step 700
700
#346A71
oklch(49% 0.058 206.5)
-
Step 800
800
#2C575C
oklch(42.8% 0.048 205.3)
-
Step 900
900
#28474B
oklch(37.6% 0.037 206.2)
-
Step 950
950
#182A2C
oklch(27% 0.024 204.7)
#689EA5 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) | #969AA6 | 0.057 |
| Deuteranopia (no green cones) | #8B92A5 | 0.052 |
| Tritanopia (no blue cones) | #50A2A0 | 0.027 |
| Achromatopsia (no color) | #959595 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #689EA5
#689EA5
oklch(66.4% 0.058 206.2)
- #B48681
#B48681
oklch(66.3% 0.057 25.8)
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 #689EA5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.013
- Greyblue #77A1B5 ΔE 0.031
- Dull Teal #5F9E8F ΔE 0.036
- Grey Teal #5E9B8A ΔE 0.042
- Bluegrey #85A3B2 ΔE 0.043
- Bluey Grey #89A0B0 ΔE 0.045
- Blue Grey #758DA3 ΔE 0.049
- Cool Gray #8D99AE ΔE 0.050
Use #689EA5 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.