#78B7DB
Closest named color: Light Grey Blue (#9DBCD4). oklch(75% 0.083 234.5), rgb(120, 183, 219).
Aa
Black text reads best on this color (9.59:1).
About this color
#78B7DB is a medium-light, moderately saturated blue. In OKLCH its lightness is 75%, its chroma 0.083 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Light Grey Blue (#9DBCD4), ΔE 0.047 away. Black text reads best on it, at 9.59:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Light Grey Blue (#9DBCD4) |
| Black text | 9.59:1 |
| White text | 2.18:1 |
Values
| HEX | #78B7DB |
| RGB | rgb(120, 183, 219) |
| HSL | hsl(202, 58%, 66%) |
| OKLCH | oklch(75% 0.083 234.5) |
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 #78B7DB | 2.18:1 | Fails | Lc -47.7 | Large or bold text, headings |
| Black text on #78B7DB | 9.59:1 | AAA | Lc 61.0 | Content text, not long reading |
| #78B7DB text on white | 2.18:1 | Fails | Lc 43.0 | Non-text elements, placeholder text |
| #78B7DB text on black | 9.59:1 | AAA | Lc -59.2 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF3
oklch(93.7% 0.015 235.4)
-
Step 200
200
#C8DDEA
oklch(88.6% 0.029 234.9)
-
Step 300
300
#A1C7DE
oklch(81% 0.052 234.9)
-
Step 400
400 (this color)
#78B7DB
oklch(75% 0.083 234.5)
-
Step 500
500
#3D93C0
oklch(63% 0.106 234.9)
-
Step 600
600
#087DAC
oklch(55.6% 0.115 234.2)
-
Step 700
700
#006992
oklch(49.1% 0.103 234.3)
-
Step 800
800
#035678
oklch(42.7% 0.089 234.3)
-
Step 900
900
#124761
oklch(37.7% 0.07 234.7)
-
Step 950
950
#0D2A39
oklch(27.1% 0.044 234.3)
#78B7DB 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) | #A6B5DD | 0.054 |
| Deuteranopia (no green cones) | #98ABDA | 0.046 |
| Tritanopia (no blue cones) | #4CC1C3 | 0.064 |
| Achromatopsia (no color) | #AFAFAF | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78B7DB
#78B7DB
oklch(75% 0.083 234.5)
- #D8A07C
#D8A07C
oklch(75% 0.083 53.8)
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 #78B7DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Grey Blue #9DBCD4 ΔE 0.047
- Light Cornflower Blue #98C1D9 ΔE 0.048
- Lightblue #7BC8F6 ΔE 0.053
- Vivid Sky Blue #4CC9F0 ΔE 0.054
- Carolina Blue #8AB8FE ΔE 0.057
- Sky #82CAFC ΔE 0.063
- Cool Steel #97A7B3 ΔE 0.066
- Sky Blue #87CEEB ΔE 0.066
Use #78B7DB 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.