#2785DE
Closest named color: Water Blue (#0E87CC). oklch(60.9% 0.159 251.5), rgb(39, 133, 222).
Aa
Black text reads best on this color (5.49:1).
About this color
#2785DE is a medium-dark, vivid blue. In OKLCH its lightness is 61%, its chroma 0.159 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Water Blue (#0E87CC), ΔE 0.031 away. Black text reads best on it, at 5.49:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.159) |
| Temperature | cool |
| Nearest name | Water Blue (#0E87CC) |
| Black text | 5.49:1 |
| White text | 3.82:1 |
Values
| HEX | #2785DE |
| RGB | rgb(39, 133, 222) |
| HSL | hsl(209, 73%, 51%) |
| OKLCH | oklch(60.9% 0.159 251.5) |
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 #2785DE | 3.82:1 | AA large text | Lc -70.7 | Content text, not long reading |
| Black text on #2785DE | 5.49:1 | AA | Lc 38.9 | Non-text elements, placeholder text |
| #2785DE text on white | 3.82:1 | AA large text | Lc 65.2 | Content text, not long reading |
| #2785DE 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
#DFEBF9
oklch(93.5% 0.023 252.2)
-
Step 200
200
#C5DCF6
oklch(88.6% 0.044 251.5)
-
Step 300
300
#9CC5F2
oklch(81% 0.078 251.1)
-
Step 400
400
#63A5EC
oklch(70.8% 0.125 251.6)
-
Step 500
500 (this color)
#2785DE
oklch(60.9% 0.159 251.5)
-
Step 600
600
#0074CF
oklch(55.5% 0.165 251.7)
-
Step 700
700
#0062AF
oklch(49.2% 0.144 251.3)
-
Step 800
800
#005091
oklch(42.8% 0.126 251.5)
-
Step 900
900
#094376
oklch(37.8% 0.103 251.1)
-
Step 950
950
#092745
oklch(26.9% 0.066 251.7)
#2785DE 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) | #598BE2 | 0.045 |
| Deuteranopia (no green cones) | #3A7BDC | 0.027 |
| Tritanopia (no blue cones) | #009AA7 | 0.116 |
| Achromatopsia (no color) | #828282 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2785DE
#2785DE
oklch(60.9% 0.159 251.5)
- #B27300
#B27300
oklch(60.8% 0.13 71.6)
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 #2785DE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Water Blue #0E87CC ΔE 0.031
- Dark Sky Blue #448EE4 ΔE 0.034
- Windows Blue #3778BF ΔE 0.053
- Dodger Blue #1E90FF ΔE 0.053
- Chefchaouen Blue #4895EF ΔE 0.056
- Soft Blue #6488EA ΔE 0.057
- Clear Blue #247AFD ΔE 0.058
- Cool Blue #4984B8 ΔE 0.060
Use #2785DE 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.