#AACEE2
Closest named color: Light Blue Grey (#B7C9E2). oklch(83.2% 0.047 232.4), rgb(170, 206, 226).
Aa
Black text reads best on this color (12.63:1).
About this color
#AACEE2 is a light, muted blue. In OKLCH its lightness is 83%, its chroma 0.047 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue Grey (#B7C9E2), ΔE 0.020 away. Black text reads best on it, at 12.63:1.
| Hue family | Blues |
| Lightness | light (83%) |
| Chroma | muted (0.047) |
| Temperature | cool |
| Nearest name | Light Blue Grey (#B7C9E2) |
| Black text | 12.63:1 |
| White text | 1.66:1 |
Values
| HEX | #AACEE2 |
| RGB | rgb(170, 206, 226) |
| HSL | hsl(201, 49%, 78%) |
| OKLCH | oklch(83.2% 0.047 232.4) |
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 #AACEE2 | 1.66:1 | Fails | Lc -32.8 | Non-text elements, placeholder text |
| Black text on #AACEE2 | 12.63:1 | AAA | Lc 74.7 | Content text, not long reading |
| #AACEE2 text on white | 1.66:1 | Fails | Lc 29.1 | Dividers and decoration only |
| #AACEE2 text on black | 12.63:1 | AAA | Lc -73.7 | Content text, not long reading |
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 300.
-
Step 50
50
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E1ECF2
oklch(93.7% 0.014 231.2)
-
Step 200
200
#C9DDE8
oklch(88.6% 0.026 231.7)
-
Step 300
300 (this color)
#AACEE2
oklch(83.2% 0.047 232.4)
-
Step 400
400
#6FA9C8
oklch(70.6% 0.076 232.7)
-
Step 500
500
#4493BA
oklch(63% 0.097 232.7)
-
Step 600
600
#1C7DA6
oklch(55.6% 0.105 232.2)
-
Step 700
700
#09698F
oklch(49% 0.099 233)
-
Step 800
800
#105674
oklch(42.7% 0.081 232.7)
-
Step 900
900
#17475D
oklch(37.6% 0.063 231.9)
-
Step 950
950
#0F2A37
oklch(27.1% 0.041 231.9)
#AACEE2 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) | #C4CCE3 | 0.033 |
| Deuteranopia (no green cones) | #BCC6E2 | 0.029 |
| Tritanopia (no blue cones) | #9AD4D4 | 0.035 |
| Achromatopsia (no color) | #C9C9C9 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AACEE2
#AACEE2
oklch(83.2% 0.047 232.4)
- #E2C0AC
#E2C0AC
oklch(83.2% 0.048 52.3)
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 #AACEE2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue Grey #B7C9E2 ΔE 0.020
- Light Steel Blue #B0C4DE ΔE 0.026
- Light Blue #ADD8E6 ΔE 0.027
- Cloudy Blue #ACC2D9 ΔE 0.031
- Celeste #A8DADC ΔE 0.036
- Sky Blue #87CEEB ΔE 0.039
- Baby Blue #A2CFFE ΔE 0.040
- Light Cornflower Blue #98C1D9 ΔE 0.043
Use #AACEE2 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.