#689DB3
Closest named color: Greyblue (#77A1B5). oklch(66.7% 0.065 226), rgb(104, 157, 179).
Aa
Black text reads best on this color (7.06:1).
About this color
#689DB3 is a medium-light, muted teal or cyan. In OKLCH its lightness is 67%, its chroma 0.065 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.022 away. Black text reads best on it, at 7.06:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.06:1 |
| White text | 2.97:1 |
Values
| HEX | #689DB3 |
| RGB | rgb(104, 157, 179) |
| HSL | hsl(198, 33%, 55%) |
| OKLCH | oklch(66.7% 0.065 226) |
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 #689DB3 | 2.97:1 | Fails | Lc -61.6 | Content text, not long reading |
| Black text on #689DB3 | 7.06:1 | AAA | Lc 47.8 | Large or bold text, headings |
| #689DB3 text on white | 2.97:1 | Fails | Lc 56.2 | Large or bold text, headings |
| #689DB3 text on black | 7.06:1 | AAA | Lc -45.5 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200
#CEDCE2
oklch(88.6% 0.017 225.2)
-
Step 300
300
#ACC5D0
oklch(80.8% 0.031 226.1)
-
Step 400
400
#7FA8B9
oklch(70.8% 0.051 225.3)
-
Step 500
500 (this color)
#689DB3
oklch(66.7% 0.065 226)
-
Step 600
600
#427C93
oklch(55.6% 0.07 226)
-
Step 700
700
#33687D
oklch(49% 0.066 226.4)
-
Step 800
800
#2B5566
oklch(42.7% 0.055 226.6)
-
Step 900
900
#284653
oklch(37.6% 0.042 227.6)
-
Step 950
950
#182930
oklch(26.9% 0.026 225.8)
#689DB3 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) | #919BB4 | 0.050 |
| Deuteranopia (no green cones) | #8692B3 | 0.045 |
| Tritanopia (no blue cones) | #49A4A4 | 0.045 |
| Achromatopsia (no color) | #969696 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #689DB3
#689DB3
oklch(66.7% 0.065 226)
- #B78873
#B78873
oklch(66.7% 0.065 45.1)
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 #689DB3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.022
- Cadet Blue #5F9EA0 ΔE 0.033
- Bluegrey #85A3B2 ΔE 0.040
- Bluey Grey #89A0B0 ΔE 0.041
- Cool Gray #8D99AE ΔE 0.044
- Silver Lake Blue #778DA9 ΔE 0.044
- Blue Grey #758DA3 ΔE 0.045
- Faded Blue #658CBB ΔE 0.054
Use #689DB3 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.