#689FAB
Closest named color: Cadet Blue (#5F9EA0). oklch(66.9% 0.06 212.9), rgb(104, 159, 171).
Aa
Black text reads best on this color (7.13:1).
About this color
#689FAB is a medium-light, muted teal or cyan. In OKLCH its lightness is 67%, its chroma 0.060 and its hue 213°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.020 away. Black text reads best on it, at 7.13:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 7.13:1 |
| White text | 2.94:1 |
Values
| HEX | #689FAB |
| RGB | rgb(104, 159, 171) |
| HSL | hsl(191, 29%, 54%) |
| OKLCH | oklch(66.9% 0.06 212.9) |
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 #689FAB | 2.94:1 | Fails | Lc -61.2 | Content text, not long reading |
| Black text on #689FAB | 7.13:1 | AAA | Lc 48.2 | Large or bold text, headings |
| #689FAB text on white | 2.94:1 | Fails | Lc 55.8 | Large or bold text, headings |
| #689FAB text on black | 7.13:1 | AAA | Lc -46.0 | 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
#CEDCE0
oklch(88.5% 0.016 216.7)
-
Step 300
300
#ACC6CC
oklch(80.9% 0.029 213.2)
-
Step 400
400
#7FA9B2
oklch(70.7% 0.047 212.3)
-
Step 500
500 (this color)
#689FAB
oklch(66.9% 0.06 212.9)
-
Step 600
600
#417E8A
oklch(55.7% 0.066 211.9)
-
Step 700
700
#326A75
oklch(49.1% 0.061 212.1)
-
Step 800
800
#2B565F
oklch(42.6% 0.05 212.9)
-
Step 900
900
#27474E
oklch(37.6% 0.04 213.3)
-
Step 950
950
#182A2E
oklch(27.1% 0.025 213.2)
#689FAB 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) | #959BAC | 0.056 |
| Deuteranopia (no green cones) | #8B93AB | 0.052 |
| Tritanopia (no blue cones) | #4DA4A3 | 0.033 |
| Achromatopsia (no color) | #969696 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #689FAB
#689FAB
oklch(66.9% 0.06 212.9)
- #B7887D
#B7887D
oklch(66.9% 0.06 33.5)
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 #689FAB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.020
- Greyblue #77A1B5 ΔE 0.024
- Bluegrey #85A3B2 ΔE 0.039
- Bluey Grey #89A0B0 ΔE 0.041
- Dull Teal #5F9E8F ΔE 0.044
- Cool Gray #8D99AE ΔE 0.047
- Blue Grey #758DA3 ΔE 0.050
- Grey Teal #5E9B8A ΔE 0.051
Use #689FAB 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.