#689BBE
Closest named color: Greyblue (#77A1B5). oklch(66.7% 0.075 239.4), rgb(104, 155, 190).
Aa
Black text reads best on this color (7.02:1).
About this color
#689BBE is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.075 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.031 away. Black text reads best on it, at 7.02:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.02:1 |
| White text | 2.99:1 |
Values
| HEX | #689BBE |
| RGB | rgb(104, 155, 190) |
| HSL | hsl(204, 40%, 58%) |
| OKLCH | oklch(66.7% 0.075 239.4) |
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 #689BBE | 2.99:1 | Fails | Lc -61.8 | Content text, not long reading |
| Black text on #689BBE | 7.02:1 | AAA | Lc 47.6 | Large or bold text, headings |
| #689BBE text on white | 2.99:1 | Fails | Lc 56.5 | Large or bold text, headings |
| #689BBE 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBF0
oklch(93.6% 0.01 238.5)
-
Step 200
200
#CDDBE5
oklch(88.4% 0.02 238.7)
-
Step 300
300
#ACC4D6
oklch(80.8% 0.036 240.4)
-
Step 400
400
#7FA6C2
oklch(70.7% 0.059 239.9)
-
Step 500
500 (this color)
#689BBE
oklch(66.7% 0.075 239.4)
-
Step 600
600
#427A9E
oklch(55.6% 0.082 238.8)
-
Step 700
700
#346687
oklch(49% 0.076 239.7)
-
Step 800
800
#2B546E
oklch(42.8% 0.063 238.5)
-
Step 900
900
#284559
oklch(37.7% 0.049 240)
-
Step 950
950
#182934
oklch(27.1% 0.031 237.8)
#689BBE 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) | #8C9AC0 | 0.044 |
| Deuteranopia (no green cones) | #8091BD | 0.037 |
| Tritanopia (no blue cones) | #43A4A6 | 0.061 |
| Achromatopsia (no color) | #959595 | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #689BBE
#689BBE
oklch(66.7% 0.075 239.4)
- #B78965
#B78965
oklch(66.6% 0.075 59.1)
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 #689BBE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.031
- Faded Blue #658CBB ΔE 0.042
- Silver Lake Blue #778DA9 ΔE 0.043
- Blue Grey #758DA3 ΔE 0.048
- Cool Gray #8D99AE ΔE 0.048
- Bluegrey #85A3B2 ΔE 0.048
- Bluey Grey #89A0B0 ΔE 0.048
- Cadet Blue #5F9EA0 ΔE 0.051
Use #689BBE 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.