#2687D4
Closest named color: Water Blue (#0E87CC). oklch(60.7% 0.145 247.7), rgb(38, 135, 212).
Aa
Black text reads best on this color (5.49:1).
About this color
#2687D4 is a medium-dark, vivid blue. In OKLCH its lightness is 61%, its chroma 0.145 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Water Blue (#0E87CC), ΔE 0.016 away. Black text reads best on it, at 5.49:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.145) |
| Temperature | cool |
| Nearest name | Water Blue (#0E87CC) |
| Black text | 5.49:1 |
| White text | 3.81:1 |
Values
| HEX | #2687D4 |
| RGB | rgb(38, 135, 212) |
| HSL | hsl(207, 70%, 49%) |
| OKLCH | oklch(60.7% 0.145 247.7) |
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 #2687D4 | 3.81:1 | AA large text | Lc -70.7 | Content text, not long reading |
| Black text on #2687D4 | 5.49:1 | AA | Lc 38.8 | Non-text elements, placeholder text |
| #2687D4 text on white | 3.81:1 | AA large text | Lc 65.2 | Content text, not long reading |
| #2687D4 text on black | 5.49:1 | AA | Lc -36.4 | Non-text elements, placeholder text |
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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#DFEBF7
oklch(93.5% 0.021 248.1)
-
Step 200
200
#C5DCF3
oklch(88.5% 0.04 248.3)
-
Step 300
300
#9CC5ED
oklch(80.8% 0.072 248.1)
-
Step 400
400
#63A6E4
oklch(70.6% 0.114 248)
-
Step 500
500 (this color)
#2687D4
oklch(60.7% 0.145 247.7)
-
Step 600
600
#0077C5
oklch(55.6% 0.149 247.9)
-
Step 700
700
#0064A6
oklch(49.1% 0.131 247.6)
-
Step 800
800
#00528A
oklch(42.8% 0.115 247.8)
-
Step 900
900
#094471
oklch(37.7% 0.095 248)
-
Step 950
950
#092842
oklch(26.9% 0.06 247.8)
#2687D4 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) | #628BD7 | 0.052 |
| Deuteranopia (no green cones) | #487BD3 | 0.036 |
| Tritanopia (no blue cones) | #009AA3 | 0.106 |
| Achromatopsia (no color) | #828282 | 0.145 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2687D4
#2687D4
oklch(60.7% 0.145 247.7)
- #B67000
#B67000
oklch(60.7% 0.134 67.5)
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 #2687D4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Water Blue #0E87CC ΔE 0.016
- Dark Sky Blue #448EE4 ΔE 0.037
- Cool Blue #4984B8 ΔE 0.046
- Windows Blue #3778BF ΔE 0.047
- Steel Blue #4682B4 ΔE 0.050
- Blue NCS #118AB2 ΔE 0.057
- Chefchaouen Blue #4895EF ΔE 0.060
- Soft Blue #6488EA ΔE 0.064
Use #2687D4 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.