#78ACCC
Closest named color: Greyblue (#77A1B5). oklch(72% 0.072 236.1), rgb(120, 172, 204).
Aa
Black text reads best on this color (8.57:1).
About this color
#78ACCC is a medium-light, moderately saturated blue. In OKLCH its lightness is 72%, its chroma 0.072 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.039 away. Black text reads best on it, at 8.57:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 8.57:1 |
| White text | 2.44:1 |
Values
| HEX | #78ACCC |
| RGB | rgb(120, 172, 204) |
| HSL | hsl(203, 45%, 64%) |
| OKLCH | oklch(72% 0.072 236.1) |
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 #78ACCC | 2.44:1 | Fails | Lc -53.1 | Large or bold text, headings |
| Black text on #78ACCC | 8.57:1 | AAA | Lc 55.9 | Large or bold text, headings |
| #78ACCC text on white | 2.44:1 | Fails | Lc 48.1 | Large or bold text, headings |
| #78ACCC text on black | 8.57:1 | AAA | Lc -53.9 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF2
oklch(93.5% 0.014 241)
-
Step 200
200
#CADCE8
oklch(88.5% 0.025 236.9)
-
Step 300
300
#A6C6DA
oklch(81% 0.045 235.5)
-
Step 400
400 (this color)
#78ACCC
oklch(72% 0.072 236.1)
-
Step 500
500
#4D92BA
oklch(63.1% 0.092 236.2)
-
Step 600
600
#2C7CA6
oklch(55.7% 0.1 235.8)
-
Step 700
700
#1E688E
oklch(49.1% 0.093 236)
-
Step 800
800
#1C5573
oklch(42.7% 0.076 235.8)
-
Step 900
900
#1E465D
oklch(37.6% 0.06 236.6)
-
Step 950
950
#122937
oklch(26.9% 0.039 237.4)
#78ACCC 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) | #9DABCE | 0.045 |
| Deuteranopia (no green cones) | #92A1CC | 0.041 |
| Tritanopia (no blue cones) | #57B4B6 | 0.056 |
| Achromatopsia (no color) | #A5A5A5 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78ACCC
#78ACCC
oklch(72% 0.072 236.1)
- #C89979
#C89979
oklch(71.9% 0.072 55.5)
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 #78ACCC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.039
- Bluegrey #85A3B2 ΔE 0.039
- Bluey Grey #89A0B0 ΔE 0.046
- Cool Steel #97A7B3 ΔE 0.047
- Cool Gray #8D99AE ΔE 0.059
- Cool Grey #95A3A6 ΔE 0.059
- Light Grey Blue #9DBCD4 ΔE 0.065
- Pewter #96A8A1 ΔE 0.066
Use #78ACCC 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.