#689ED4
Closest named color: Cornflower Blue (#6495ED). oklch(68.3% 0.099 249.4), rgb(104, 158, 212).
Aa
Black text reads best on this color (7.43:1).
About this color
#689ED4 is a medium-light, moderately saturated blue. In OKLCH its lightness is 68%, its chroma 0.099 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.050 away. Black text reads best on it, at 7.43:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.099) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.43:1 |
| White text | 2.82:1 |
Values
| HEX | #689ED4 |
| RGB | rgb(104, 158, 212) |
| HSL | hsl(210, 56%, 62%) |
| OKLCH | oklch(68.3% 0.099 249.4) |
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 #689ED4 | 2.82:1 | Fails | Lc -59.4 | Large or bold text, headings |
| Black text on #689ED4 | 7.43:1 | AAA | Lc 49.9 | Large or bold text, headings |
| #689ED4 text on white | 2.82:1 | Fails | Lc 54.2 | Large or bold text, headings |
| #689ED4 text on black | 7.43:1 | AAA | Lc -47.7 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#E1EBF6
oklch(93.6% 0.018 250.6)
-
Step 200
200
#C9DCEF
oklch(88.6% 0.033 248.2)
-
Step 300
300
#A3C4E7
oklch(80.8% 0.061 250.1)
-
Step 400
400 (this color)
#689ED4
oklch(68.3% 0.099 249.4)
-
Step 500
500
#468ED2
oklch(63.1% 0.126 249.3)
-
Step 600
600
#2377BF
oklch(55.7% 0.136 249.2)
-
Step 700
700
#1363A5
oklch(49% 0.128 249.6)
-
Step 800
800
#155186
oklch(42.6% 0.106 249.9)
-
Step 900
900
#19446B
oklch(37.7% 0.082 249.1)
-
Step 950
950
#10283F
oklch(27% 0.053 249.5)
#689ED4 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) | #88A0D6 | 0.038 |
| Deuteranopia (no green cones) | #7A95D3 | 0.029 |
| Tritanopia (no blue cones) | #30AAB1 | 0.084 |
| Achromatopsia (no color) | #9A9A9A | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #689ED4
#689ED4
oklch(68.3% 0.099 249.4)
- #C18E52
#C18E52
oklch(68.4% 0.099 69.4)
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 #689ED4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.050
- Greyblue #77A1B5 ΔE 0.052
- Faded Blue #658CBB ΔE 0.056
- Chefchaouen Blue #4895EF ΔE 0.060
- Bluegrey #85A3B2 ΔE 0.064
- Bluey Grey #89A0B0 ΔE 0.065
- Cool Gray #8D99AE ΔE 0.066
- Dark Sky Blue #448EE4 ΔE 0.067
Use #689ED4 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.