#689EC8
Closest named color: Greyblue (#77A1B5). oklch(67.8% 0.085 242.9), rgb(104, 158, 200).
Aa
Black text reads best on this color (7.31:1).
About this color
#689EC8 is a medium-light, moderately saturated blue. In OKLCH its lightness is 68%, its chroma 0.085 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.035 away. Black text reads best on it, at 7.31:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.31:1 |
| White text | 2.87:1 |
Values
| HEX | #689EC8 |
| RGB | rgb(104, 158, 200) |
| HSL | hsl(206, 47%, 60%) |
| OKLCH | oklch(67.8% 0.085 242.9) |
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 #689EC8 | 2.87:1 | Fails | Lc -60.1 | Content text, not long reading |
| Black text on #689EC8 | 7.31:1 | AAA | Lc 49.2 | Large or bold text, headings |
| #689EC8 text on white | 2.87:1 | Fails | Lc 54.8 | Large or bold text, headings |
| #689EC8 text on black | 7.31:1 | AAA | Lc -47.0 | 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 400.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E1EBF3
oklch(93.5% 0.015 241.8)
-
Step 200
200
#C9DCEB
oklch(88.5% 0.029 241.6)
-
Step 300
300
#A4C5E1
oklch(80.9% 0.053 244.1)
-
Step 400
400 (this color)
#689EC8
oklch(67.8% 0.085 242.9)
-
Step 500
500
#4890C6
oklch(63% 0.109 243.5)
-
Step 600
600
#257AB2
oklch(55.7% 0.117 242.6)
-
Step 700
700
#166699
oklch(49% 0.109 243)
-
Step 800
800
#16547C
oklch(42.8% 0.09 242.2)
-
Step 900
900
#1A4564
oklch(37.6% 0.071 243.3)
-
Step 950
950
#11293A
oklch(27% 0.044 241.7)
#689EC8 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) | #8C9ECA | 0.043 |
| Deuteranopia (no green cones) | #7F94C7 | 0.036 |
| Tritanopia (no blue cones) | #3BA8AC | 0.070 |
| Achromatopsia (no color) | #989898 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #689EC8
#689EC8
oklch(67.8% 0.085 242.9)
- #BD8C60
#BD8C60
oklch(67.7% 0.084 62.6)
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 #689EC8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.035
- Faded Blue #658CBB ΔE 0.050
- Bluegrey #85A3B2 ΔE 0.051
- Bluey Grey #89A0B0 ΔE 0.052
- Cool Gray #8D99AE ΔE 0.054
- Silver Lake Blue #778DA9 ΔE 0.056
- Blue Grey #758DA3 ΔE 0.062
- Cadet Blue #5F9EA0 ΔE 0.063
Use #689EC8 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.